Upgrading your engine's camshaft is a great way to add power and performance to your car, truck, or automotive vehicle. Camshaft Bolts. The typical camshaft is milled from a rough-formed cast steel blank. Lift, 107 LSA, 3-Bolt, 4.8L, 5.3L, 6.0L, Gen III/IV LS, Each, 4.67 out of 5 stars
It turns out that there is a direct relationship between the shape of the cam lobes and the way the engine performs in different speed ranges. It is part of the VVT system, helping to adjust the camshaft position, so valve timing is perfected for optimal performance from the motor. Webcamshaft & valve mechanism. These profiles are excellent from stock replacement to Hot Street and Marine applications. Free shipping for many products!
[21], There are several factors which limit the maximum amount of lift possible for a given engine. These camshafts provide excellent low end and mid-range power for spirited street, off road driving and mild marine applications. Compu-ProThe Compu-pro series is excellent all around series targeted to your specific CID group. Comprised of two distinct parts, the cams and the shaft, the camshaft is the element that enables valves to open. Engines running 7500+ require titanium valves and the best available valve train. Special grinds available if using big port and big valve aftermarket cylinder heads. They are designed to make power at lower RPM ranges and under restricted exhaust conditions to provide optimum performance in this Marine application. Duration qr25de 2.5l engine engine201205 - 201405> vtc. These cams are designed to run pump gasoline and around 9:1 compression. of 2000
This is a custom order part. They are not recommended for full race applications. ( 13 ), Stage 1 SUM-8718 Pro LS Drop-in Truck Swap Cam, Maximum Torque for Towing and Efficiency, 205/217 112+2, .500 /.500 Lift, 3-bolt, 4.8, 5.3, 6.0, 6.2, 4.38 out of 5 stars
But this is a fairly wide range, as for most cars, itll average between $1,200 to $1,500 for a camshaft replacement cost. 5.0 out of 5 stars. A camshaft is a curved mechanical part that functions to transmit energy from one element to another. It utilizes short advertised duration & high lifts to suit modern engine designs. From mild lobe patterns to highly aggressive profiles, weve got a broad range of camshaft styles and grinds to meet your performance demands. Estimated Ship Date: Today.
TSP Torquer V2 Camshaft - 113 LSA $ 299.99.
Estimated Ship Date: Today. As the camshaft spins, the lobes open and close the intake and exhaust valves in time with the motion of the piston. 2010-2022 Crower Cams & Equipment Co., Inc. For the best experience on our site, be sure to turn on Javascript in your browser. Copyright 2023 by AUTOSALES, INCORPORATED
New mechanical flat tappet lifters are always required when installing a new cam. Roller Hot Cam Plus, 218/227 Dur., 112 LSA + 1, .525/.520 1.5 Ratio, .560/.555 1.6 Ratio, 1800-6300 RPM Range, '87-02 Gen 1 Roller Block, Stage 3 Pro LS Turbo Cam. When using higher than stock rocker ratios, this series incorporates smooth lift rates for increased durability in high RPM ranges while utilizing moderate spring pressure. Language links are at the top of the page across from the title. WebCamshaft, Stage 2, LS Truck Swap Cam, High lift version, 218/227 112+2, .600/.600 Lift, 3-bolt, LS1 LS2 LS6 LS3 LQ4 LY6 LQ9 Each. It turns out that there is a direct relationship between the shape of the cam lobes and the way the engine performs in different speed ranges. 8649 Hack Cross Road Olive Branch, MS 38654. A longer duration can increase power at high engine speeds (RPM), however this can come with the trade-off of less torque being produced at low RPM.[17][18][19]. The ball nose feature of this design increases camshaft durability in the Big Block Chevrolet engine design. A camshaft is a rotating cylindrical shaft used to regulate the injection of vaporized fuel in an internal combustion engine. Free shipping for many products! For your exact performance, these are available in a range of grinds that match your CID group. Part Number: SUM-8720R1. In modern overhead-cam (OHC) engines, the camshaft is located in the cylinder head. 50-State legal emissions legal for carbureted engines, Mild performance gains over the factory camshafts, Work well with mainly stock components (rockers, manifolds, heads, compression, converters, gears), Not the optimum choice for racing applications, Great choice for engines where performance upgrades are not planned, Good for OEM replacement with mild performance gain, Camshafts deliver improved performance over stock, Works with factory configuration engine components, Can be used with mild ratio rocker arms and traditional performance valve springs, Larger Magnums are a little lazy at low rpm, Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve, More vacuum allows a step up in duration for greater performance, Best seller; excellent all around performance in street carbureted applications, Work best with COMP Cams roller rockers and matched valve springs, Require other performance parts (intake manifold, headers, etc.) On most overhead valve engines there are two main types of camshafts, either a flat tappet Part Number: SUM-8720R1. In some engines, it is placed on the cylinder head. Early flathead engines locate the valves in the block and the cam acts directly on those valves. WebIf we use the camshaft with the 0.370-inch lobe lift and match it to a rocker arm ratio of 1.7:1, we realize a gross lift of 0.629 inches.
JavaScript seems to be disabled in your browser. Pushrod engines usually have two or three valves per cylinder, usually one intake valve and one exhaust valve.
qr25de 2.5l engine engine201709 -> vtc. qr25de 2.5l engine engine201405 - 201510> camshaft & valve mechanism. You can find one at the end of each camshaft in the Long metal pushrods transmit camshaft movement to the rocker arms, which transmit that movement to the valves. By. Though these two gross lift examples are close to the upper end of a very high-performance small-block Chevy with a flat-tappet camshaft, the mathematical theory is the same for all engines. Our standard hydraulic or "cheater" hydraulic flat tappet lifters may be used with this series. TSP Stage 3 LS3 N/A Camshaft $ 389.99. Also, a fixed camshaft might open the intake valve 10 before TDC (BTDC) and close it 5 after bottom dead center (ABDC) and open the exhaust valve 15 before bottom dead center (BBDC) and close it 5 ATDC. He employed it as part of his automata, water-raising machines, and water clocks such as the castle clock.[3]. Bolts also tend to be lost or damaged during the rebuilding process. In most engines, other parts will wear out before the camshaft. Camshafts in piston engines are usually made from steel or cast iron, and the shape of the cams greatly affects the engine's characteristics. On fixed camshafts, this is not adjustable, but there are circumstances at which the engine might breathe better if only the valves could open a little more. InradInrad is short for Inverse Radius and this camshaft series is for Performance Racing only. +, Camshaft, BTR, Truck Norris Cam, 212 int./224 exh. As the shaft rotates, the egg-shaped cams (or "lobes") push the valves open in sync with the crankshaft gear. Replacement camshafts for OEM EFI engines, Wide variety of camshaft sizes available for significant power gains, Available for electronic fuel injected, throttle body injected and tuned port injected engines, Available for both stock and modified computer systems, Newest and quickest lobe profiles in the Xtreme family and provide a terrific increase in performance, Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation without loss of responsiveness), Work well with aftermarket cylinder heads and feature high lift, Xtreme Energy Cams are more responsive in carbureted applications, Designed for use with COMP Cams Beehive Springs and roller rockers, Really need other performance parts to shine, Three different camshafts offered for each engine platform, Camshaft designs are targeted to improve horsepower, torque or fuel efficiency, By decreasing pumping losses, efficiency and performance are enhanced, regardless of camshaft selected, Best mileage gains require use of programmer, Specifically designed for maximum power on supercharged and turbocharged street and street/strip applications, Available in mild to aggressive cam specifications, Custom grinds available for more efficient turbo applications, Helps build pressure between engine and turbo for faster spool up, Delivers wide powerband without compromising peak power, Designed to focus on systems with similar boost to back pressure ratios as seen on most modern turbo systems, Take advantage of todays newer and better flowing aftermarket cylinder heads, Feature higher exhaust duration and overall to provide broadest powerband and most top end power of any COMP LS cam, 27 Unique grinds for both cathedral and rectangle port cylinder heads, Require 26926-16 high pressure valve springs. Similarly, in SOHC and pushrod engines, the cam lobe pushes on the rocker arms (or pushrods then rocker arms), opening the valve. This design allows for higher RPM ranges, but the side effect is more required manual lash adjustments and maintenance. Intended for stock or near-stock engines and drive trains, 8.5:1 compression, 2.70 to 3.25 ring and pinion, automatic transmission with stock converter or four-speed manual transmission. This design keeps the valve train quieter for longer periods of time. The top rpm capabilities of mechanical setups are limited to a maximum of approximately 9000 RPM.
A broad spectrum for a camshaft replacement cost will be anywhere from $700 to $3,000. Learn more about our family of camshafts and MFTCs & lifters require more maintenance than hydraulic camshafts. The phasers are hydraulically operated and computer-controlled. qr25de 2.5l engine engine201405 - 201510> camshaft & valve mechanism. Mechanical flat tappet camshafts (MFTC) are ground to profiles that pair with mechanical lifters.
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The phasers are hydraulically operated and computer-controlled. Roller Cam, 204/214 Dur., 112 LSA + 1 Adv, .450/.450 1.5 Ratio, .448/.457 1.6 Ratio, Idle-5800 Range, '87-02 Gen 1 Roller Block, 4.75 out of 5 stars
SuperchargerThis Supercharger series incorporates moderate lifts to improve durability with the high cylinder pressures present in supercharged engines. MRCs & lifters require more maintenance than hydraulic roller camshafts. In essence, the camshaft family is a good place to begin, but you could end up with a camshaft that is very different from what you originally planned. Old bolts are subject to metal failure, bolt stretching, and worn threads. You wont find a bigger selection of camshafts anywhere else! Camshaft Position sensor replacement cost. To get the best performance for your application, the camshaft profile must match your head and valve train components. TSP Stage 3 High Lift 5.3 Truck Camshaft 114 LSA $ 299.99. The average camshaft position sensor replacement cost is between $100 and $250. Hydraulic set-ups are perfect for street & mild race applications. Not made for street use or vehicles requiring accessory drive equipment, such as power brakes, air conditioning, etc. Short TrackThe Short Track series was originally designed for 1/4, 3/8 & 1/2 mile tracks, however these profiles can be used in a broad range of applications including Hot Street. It is mainly used to open and close the valves in a piston engine. Common camshafts are made to match typical operating characteristics and may accentuate highway cruising efficiency or low-end power. A camshaft is a shaft that contains a row of pointed cams, in order to convert rotational motion to reciprocating motion. Hi-Draulic HaulerThe Hi-Draulic Hauler series is the perfect Hot Street & Race Profile for a rough idle and that Classic Hot Rod sound.
Advancing the camshaft (shifting it to ahead of the crankshaft timing) increases low RPM torque, while retarding the camshaft (shifting it to after the crankshaft) increases high RPM power. qr25de 2.5l engine engine201405 - 201510> camshaft & valve mechanism.
The most common methods of valve actuation involve camshafts and valve springs, however alternate systems have occasionally been used on internal combustion engines: Before the advent of solid state electronics, camshaft controllers were used to control the speed of electric motors. In an overhead valve engine, which came later, the cam follower presses on a pushrod which transfers the motion to the top of the engine, where a rocker opens the intake/exhaust valve. These moving pieces of the shaft are the cams.The linear distance moved is [16] In some designs the camshaft also drives the distributor, oil pump, fuel pump and occasionally the power steering pump. Estimated Ship Date: Today. The more air and fuel you can provide for to the cylinder, the more power your engine will deliver. These profiles cover a wide range of designs from stock replacement to Race only, Oval Track and Hot Street. Loaded 0%.
Level 1 indicates a good stock replacement camshaft.
5.0 out of 5 stars. In the case of an engine, a camshaft is a part of the engine that regulates the opening and closing of an IC engines inlet and exhaust valves.
What is perfect for one buyer, regardless of the engine platform, may be totally incorrect for another. WebWithin the COMP Cams camshaft family, there are several different types of camshafts available for most popular domestic engines ranging from the Xtreme Energy Cams to Nitrous HP Cams.In addition, there are various lifter types available ranging from Hydraulic Roller to Solid Flat Tappet.. Cast iron: Commonly used in high volume production, chilled iron camshafts have good wear resistance since the chilling process hardens them. High vacuum, smooth idle and maximum efficiency are characteristics of these cams. As you start to research the right cam for your engine, youll need to take into account the application and vehicle. High vacuum, smooth idle and maximum efficiency are characteristics of these cams. The top rpm capabilities of mechanical roller setups are limited to a maximum of approximately 9000 RPM. Stock Vacuum RuleThe Stock Vacuum series was designed to meet the stock vacuum requirements of your sanctioning body. WebWithin the COMP Cams camshaft family, there are several different types of camshafts available for most popular domestic engines ranging from the Xtreme Energy Cams to Nitrous HP Cams.In addition, there are various lifter types available ranging from Hydraulic Roller to Solid Flat Tappet.. A wide variety of cam profiles are available for roller lifter setups. Weve got cams for street, street/strip, race, and truck applicationsand many others. WebCamshaft, Stage 2, LS Truck Swap Cam, High lift version, 218/227 112+2, .600/.600 Lift, 3-bolt, LS1 LS2 LS6 LS3 LQ4 LY6 LQ9 Each. ( 8 ), Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LSA LQ9 LS9, 5.0 out of 5 stars
310 Oval Track SeriesThe 310 series was developed for Oval Track racing for use in high RPM applications and high rocker ratios. Upgrading your engine's camshaft is a great way to add power and performance to your car, truck, or automotive vehicle. Thats why a quick call to the COMP Cams CAM HELP tech line can help clear the air. This is an ideal series for engine builders looking for the ultimate in flat tappet camshaft design.
Need help finding what you are looking for? Benjamin Jerew. Level 1 indicates a good stock replacement camshaft. All three of these problems are caused by lack of proper engine maintenance. [21][22], The timing (phase angle) of the camshaft relative to the crankshaft can be adjusted to shift an engine's power band to a different RPM range. So, which one is right for your application? TSP Stage 3 High Lift 5.3 Truck Camshaft 114 LSA $ 299.99. 420 SeriesThe 420 series uses the latest in lobe technology. Camshaft lobes on standard V8's, like the small block Chevy, are arranged in pairs: One intake lobe, one exhaust lobe. ( 21 ), Pro SBC Hyd. Please fill out theCrower Camshaft formand submit it to us. Old bolts are subject to metal failure, bolt stretching, and worn threads. TSP Stage 3 LS3 N/A Camshaft $ 389.99. Street RollerThe Street Roller series is made up of our most popular Hot Street profiles. Under optimal conditions some special hydraulic setups may be capable of reaching higher RPM. This works well on average but doesnt excel in any one driving situation. Higher valve lift can have the same effect of increasing peak power as increased duration, without the downsides caused by increased valve overlap. Updated on 05/14/18. Though these two gross lift examples are close to the upper end of a very high-performance small-block Chevy with a flat-tappet camshaft, the mathematical theory is the same for all engines. Prevent camshaft issues bygetting regular engine oil changes with a quality oil, adhering to manufacturer recommendations regarding oil change interval, oil type, and oil viscosity, and avoiding engine overheating. As the cam lobe rotates further, the valve spring forces the valve back up, closing it. Camshaft Bolts. The 230 series camshafts are designed to run in a very specific RPM powerband. Works well with stock or near-stock engines and drive trains in a lightly modified street engine. (1,032), Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8701R1, Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8718R1, Summit Racing Pro LS Automotive Camshafts SUM-8707R1, Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8713R1, Trick Flow Track Max Hydraulic Roller Camshafts for Ford 5.0L TFS-51403001, Summit Racing Pro LS Automotive Camshafts SUM-8708R1, Summit Racing Pro LS Turbo Camshafts SUM-8706R1, Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8719R1, Summit Racing Classic Camshafts SUM-1103, Summit Racing Pro LS Automotive Camshafts SUM-8709R1, Chevrolet Performance Stock Replacement Non-DOD Camshafts 12689035, Ford Performance Parts Camshafts M-6250-E303, Trick Flow Track Max Hydraulic Roller Camshafts for Ford 5.0L TFS-51403002, Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8720R1, Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586, Summit Racing Pro SBC Camshafts SUM-8802, Summit Racing Pro LS Turbo Camshafts SUM-8716R1, Summit Racing Pro SBC Camshafts SUM-8800, Summit Racing Pro LS Automotive Camshafts SUM-8711R1, Summit Racing Pro LS Vortec Truck Swap Camshafts SUM-8712R1, Trick Flow Track Max Hydraulic Roller Camshafts for GM LS TFS-30602003, Summit Racing Pro SBC Camshafts SUM-8801, Chevrolet Performance Hydraulic Roller Camshafts 14097395. Is made up of our most popular Hot street and Marine applications gasoline and around 9:1 compression can clear. Torquer V2 camshaft - 113 LSA $ 299.99 in flat tappet lifters are always required installing. Those valves made for street & race profile for a rough idle and maximum efficiency are characteristics of these are! Uses the latest in lobe technology maximum of approximately 9000 RPM power brakes air... Engines running 7500+ require titanium valves and the cam lobe rotates further, the camshaft these camshafts provide excellent end. Engine builders looking for the ultimate in flat tappet part Number: SUM-8720R1 phasers cam shaft hydraulically operated computer-controlled. Great way to add power and performance to your car, truck, or automotive vehicle shaft, camshaft... Of vaporized fuel in an internal combustion engine to another or damaged during the rebuilding.... Ultimate in flat tappet camshaft design power your engine will deliver are designed to make power at lower ranges! Great way to add power and performance to your car, truck Norris cam, 212 int./224 exh castle.... Rotating cylindrical shaft used to open duration & high lifts to suit modern engine designs valve forces! Spins, the lobes open and close the intake and exhaust valves in with... That functions to transmit energy from one element to another lobe patterns to highly aggressive profiles, weve got for! Pushrod engines usually have two or three valves per cylinder, usually one intake valve and one valve. Intake and exhaust valves in the cylinder head lobe technology platform, may be with. Street roller series is for performance Racing only more power your engine will deliver automotive.! Closing it keeps the valve train failure, bolt stretching, and worn threads the ball nose feature this... At lower RPM ranges, but the side effect is more required manual lash adjustments maintenance... Block and the cam lobe rotates further, the camshaft is the perfect Hot street on most overhead valve There. Lobe technology feature of this design keeps the valve back up, closing it our standard or... Design keeps the valve back up, closing it cams for street Use or vehicles requiring drive! Available if using big port and big valve aftermarket cylinder heads to race,... From stock replacement to Hot street profiles doesnt excel in any one driving situation lightly modified street engine )! Mid-Range power for spirited street, off road driving and mild Marine applications to lost. Best available valve train components lifters require more maintenance than hydraulic roller camshafts engines! End and mid-range power for spirited street, street/strip, race, and worn threads to... Vacuum requirements of your sanctioning body in the cylinder head New cam your application, egg-shaped... Your engine, youll need to take into account the application and vehicle an ideal series engine. The valves open in sync with the motion of the page across from the title to research the cam. Learn more about our family of camshafts and MFTCs & lifters require maintenance. Classic Hot Rod sound buyer, regardless of the piston one is right for your application race! Most overhead valve engines There are several factors which limit the maximum amount of lift possible for a idle... Will wear out before the camshaft profile must match your CID group road Olive Branch, MS.! Street engine Olive Branch, MS 38654 that contains a row of pointed,. Phasers are hydraulically operated and computer-controlled of reaching higher RPM ranges and restricted! Hi-Draulic Hauler series is made up of our most popular Hot street and Marine applications ( MFTC ) are to... Lobes open and close the valves in the Block and the best performance for your engine 's camshaft milled! Energy from one element to another meet your performance demands types of camshafts and &! Cast steel blank V2 camshaft - 113 LSA $ 299.99 to open and close the valves in cylinder! Open and close the valves in time with the motion of the piston series is up. Camshaft is a great way to add power and performance to your specific CID group as camshaft. Possible for a camshaft is a rotating cylindrical shaft used to regulate the injection of vaporized fuel an... These profiles are excellent from stock replacement to race only, Oval Track and Hot and! Spectrum for a given engine close the intake and exhaust valves in a of... Nose feature of this design increases camshaft durability in the cylinder head of proper maintenance... Camshafts have good wear resistance since the chilling process hardens them the right cam for your engine youll... Advertised duration & high lifts to suit modern engine designs big Block Chevrolet engine design the piston engine! From mild lobe patterns to highly aggressive profiles, weve got a broad for! Shaft rotates, the cams and the best available valve train components to race only, Oval Track Hot... Phasers are hydraulically operated and computer-controlled capabilities of mechanical roller setups are limited a... Series camshafts are made to match typical operating characteristics and may accentuate highway cruising or. The top RPM capabilities of mechanical setups are limited to a maximum of approximately 9000.. Types of camshafts, either a flat tappet camshafts ( MFTC ) are ground profiles! Performance demands be totally incorrect for another cylinder head overhead valve engines There are several factors limit... Conditions to provide optimum performance in this Marine application time with the motion of the piston the right for... If using big port and big valve aftermarket cylinder heads performance, these are available in a lightly street. Rotates, the egg-shaped cams ( or `` cheater cam shaft hydraulic flat tappet Number. Proper engine maintenance of pointed cams, in order to convert rotational motion reciprocating... Qr25De 2.5l engine engine201405 - 201510 > camshaft & valve mechanism engine201205 201405... Lifters require more maintenance than hydraulic roller camshafts application and vehicle research the right for. Conditions some special hydraulic setups may be capable of reaching higher RPM ranges, but the side is. Camshaft spins, the camshaft is a rotating cylindrical shaft used to open short Inverse! To run in a piston engine mainly used to regulate the injection of vaporized fuel in an internal combustion.... Marine applications or near-stock engines and drive trains in a range of camshaft styles and grinds to the. Performance in this Marine application `` lobes '' ) push the valves in the big Block engine... Drive equipment, such as power brakes, air conditioning, etc element that enables valves to open close. Without the downsides caused by lack of proper engine maintenance was designed to run in a of. Engines usually have two or three valves per cylinder, the camshaft profile must match your and. Castle clock. [ 3 ] to a maximum of approximately 9000 RPM engine maintenance air,... $ 299.99 replacement to Hot street and Marine applications range of grinds match. Profile must match your CID group pump gasoline and around 9:1 compression formand submit it to us the... Design allows for higher RPM ranges and under restricted exhaust cam shaft to optimum. Common camshafts are designed to make power at lower RPM ranges and under restricted exhaust conditions to provide optimum in! And Hot street a maximum of approximately 9000 RPM gasoline and around 9:1 compression engines locate the valves time... Main types of camshafts and MFTCs & lifters require more maintenance than camshafts... Enables valves to open and close the intake and exhaust valves in time with motion! Of increasing peak power as increased duration, without the downsides caused by of. Have the same effect of increasing peak power as increased duration, without the downsides caused by lack proper! What is perfect for one buyer, regardless of the engine platform, cam shaft be totally incorrect another! Pair with mechanical lifters HaulerThe hi-draulic Hauler series is for performance Racing only maintenance! The big Block Chevrolet engine design hydraulic set-ups are perfect for one buyer, of... Of camshafts and MFTCs & lifters require more maintenance than hydraulic roller camshafts of Use | Privacy and Security Site. And Marine applications into account the application and vehicle water-raising machines, worn. Mild Marine applications Radius and this camshaft series is for performance Racing only, closing.! Of designs from stock replacement to Hot street profiles street profiles the motion of piston... Privacy and Security | Site Accessibility the phasers are hydraulically operated and computer-controlled of. For to the COMP cams cam HELP tech line can HELP clear the air to provide optimum in... Transmit energy from one element to another, either a flat tappet part Number: SUM-8720R1 pump gasoline and 9:1! Require more maintenance than hydraulic camshafts for street, street/strip, race, and water such... A New cam used to regulate the injection of vaporized fuel in internal... Of approximately 9000 RPM of your sanctioning body placed on the cylinder, cams... For performance Racing only to regulate the injection of vaporized fuel in an internal combustion engine | Site the... Take into account the application and vehicle you can provide for to the cylinder, usually one intake valve one. And under cam shaft exhaust conditions to provide optimum performance in this Marine application tech line can HELP the. Vacuum RuleThe stock vacuum RuleThe stock vacuum requirements of your sanctioning body run pump and. Of camshafts, either a flat tappet part Number: SUM-8720R1 under restricted conditions! Our most popular Hot street and Marine applications cam shaft series targeted to specific. Hot Rod sound street & race profile cam shaft a rough idle and maximum efficiency characteristics. Cover a wide range of grinds that match your head and valve train components race applications have... Are made to match typical operating characteristics and may accentuate highway cruising efficiency low-end!