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COMP Cams is bringing the muscle car sound back, and it's nastier than ever! Let's face it--few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. In an ongoing quest to provide you with the performance and sound you demand, COMP Cams engineering team proudly introduces the Thumpr Series cam and lifter kits. The lobe profile and grind characteristics of these Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize the rough-idling characteristics of the cams. This gives you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in different grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. Thumpr Series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance.
( 212 )
$589.95
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$639.95
Melling factory replacement hydraulic roller lifters are designed and built to get the job done while ensuring efficient performance and quiet valve train operation. They are perfect for when you're ready to freshen up your engine. Melling factory hydraulic roller lifters are manufactured from the finest materials and designed for the proper fit and long dependable lifter life.
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$17.99
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$54.99
These Proform Super-Street roller rocker arms will help rid your engine of internal friction. They feature a race-proven, cage bearing fulcrum and roller tip. The Super-Street rocker arms not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. Proform rockers are precision-machined to ensure consistency and ratio accuracy, and they have a great looking anodized finish.
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$189.99
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$246.99
COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Whether your use is off-roading, towing, or street performance, there are Xtreme Energy options available for you. By using an aggressive lobe profile, they provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum. Order the model designed for your vehicle and engine application.
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$305.95
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$604.95
Make some noise with one of these Edelbrock Rollin' Thunder hydraulic roller cam, lifter, and pushrod kits. They feature a hydraulic roller camshaft and improved hydraulic roller lifters that have more aggressive profiles than conventional cams without excessive valve overlap. They do this by testing and tuning them together on engine dynamometers for maximum performance. There's no guesswork about part compatibility with the Edelbrock Rollin' Thunder hydraulic roller cam and lifter kits, and you can be sure that all of the combinations will perform. Recommended for high performance street and strip use, the Edelbrock Rollin' Thunder hydraulic roller cam and lifter kits work best from 1,500 to 6,500 rpm and they maintain good vacuum at idle.
( 7 )
$1,645.95
Increase your street machine's gas mileage and powerband performance! COMP Cams High Energy cam and lifter kits are designed for street engines with an 8:1 to 9:1 compression ratio. They also work well with all stock components, including intakes, exhaust manifolds, and carburetors. These kits offer good increases in both gas mileage and power throughout the rpm range for most street applications.
( 183 )
$305.95
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$518.95
Melling rocker arms, available for both domestic and import applications, meet or exceed OEM specifications. Depending on the OE design specifications, Melling rocker arms are provided in either stamped or cast materials. Built from only the best materials and manufacturing processes available, they are perfect replacements priced right for your budget. Melling recommends installing new rocker arms with every engine rebuild to assure long engine life and efficient performance. Answer the little knock under your hood with replacement rocker arms from Melling--a supplier of quality engine parts.
( 73 )
$4.99
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$13.99
Sealed Power hydraulic lifters are precision-manufactured to maintain precise valve timing under all operating conditions. A patented constant orifice metering valve provides precise oil metering to the overhead valvetrain, and longer plungers or pistons provide increased bearing surfaces, resulting in longer lifter life. Their check valves are lightweight flat discs, allowing for higher speeds and more uniform operation than competitive lifters.
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$6.99
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$13.99
Summit Bucks
ACDelco GM Genuine Parts hydraulic roller lifters are designed as direct replacements for your engine, offering the quality, reliability, and durability of GM OE. They automatically help maintain a "zero" valve lash condition to help prevent valvetrain noise and unnecessary component wear. Stay with the parts brand your vehicle came with; order the lifters tailored for your specific GM make/model.
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$23.99
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$120.99
These Proform pushrods can give you the foundation you need for a reliable valvetrain. They are manufactured from 4130 chromoly heat-treated tubing with .065 in. wall thickness. Proform pushrods can be used with guideplates; they feature a heat-treated insert on one end and a precision-formed tip to meet the friction-reducing specified radius on the other. Create a stable and durable valvetrain with these Proform pushrods.
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$89.99
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$93.99
Melling timing chain sets are designed for use with either performance or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. The crank gears are machined from stress-proof steel. Most Melling timing chain sets have three keyways to ensure accurate timing for early or late model vehicles, and to allow you to set the cam timing at 4 degrees advanced, 4 degrees retarded, or stock. However, 50-state (stock replacement) sets have single keyways. The chains are available in several styles, such as single or double roller, single non-roller, and link belt. Melling timing chain sets are not for use above 6,500 rpm. Order the model designed for your vehicle application.
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$31.99
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$119.99
COMP Cams Thumpr LS Master camshaft packages come as a complete valvetrain parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum horsepower and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These packages can add anywhere from 60 to 110 hp (depending on the application). COMP Cams Thumpr LS Master camshaft packages include: * Thumpr LS camshaft * Lifters * Timing gear set * Pushrods * Valve springs * Retainers * Valve locks * Spring seats * Valve seats
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$1,288.95
Cloyes timing chain kits meet OE performance requirements. They utilize the latest in design and materials so you can enjoy quiet, maintenance-free performance. These assemblies are available in various styles, including link belt, single roller, and single non-roller. Order the kit designed for fitment on your specific model or engine application.
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$60.99
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$121.99
Replace your timing chain with a new one from Chevrolet Performance. Designed specifically for your engine, many applications are available.
Not Yet Reviewed
$69.99
Melling replacement hydraulic lifters are perfect for when you're ready to freshen up your engine. Melling has designed these lifters to be within factory tolerances for the perfect fit. They are affordable and available as flat or roller lifters.
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$7.99
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$17.99
Melling M-Select Class 1 camshafts are part of their full line of high performance camshafts graded from Class 1 to Class 4. Class 1 camshafts have durations of 200 to 215 degrees at .050 in. lift. They feature good idle quality with strong low-rpm torque and midrange performance. These cams will work well with stock or slightly modified engines with either manual or automatic transmissions. M-Select Class 1 camshafts may have lower vacuum than OE camshafts.
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$120.50
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$372.99
COMP Cams short travel XD hydraulic roller lifters offer the advantages of both light pre-load and reduced oil volume, producing the most stable and highest-revving hydraulic lifter available. The XD versions feature heavy-duty tool steel pushrod seats. This adds strength and durability in extreme-duty applications, such as turbo drag cars and offshore powerboats. Certain engines respond better to a light lifter pre-load because it recovers more quickly from any bad harmonics in the valvetrain. Others work better with a heavy pre-load because oil volume is reduced under the plunger, which increases lifter stiffness. Now you have the best of both—with COMP Cams short travel XD hydraulic roller lifters. Order the model designed for your vehicle and engine application.
( 4 )
$969.95
Cloyes Race Billet True Roller timing sets provide race-ready performance! These sets feature sprockets machined from premium billet steel on state-of-the-art CNC equipment to ensure the highest quality and consistency. The sprockets are induction-hardened and oil-quenched by Cloyes' in-house, multi-stage heat treat process. Sets include a Cloyes Premium True Roller chain—which features full roller action and superior strength. Side plates are cut and shaved from high-strength steel and are heat-treated for maximum fatigue resistance. Their .250 in. rollers are cold-rolled and hardened to exacting standards, increasing load and rpm capabilities. Cloyes Race Billet True Roller Speed Sets are offered with a choice of 3-or 9-keyway crank sprockets, providing multiple valve timing settings. These sets are hand-matched to qualify center distance and runout, ensuring the best performance with every set!
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$132.50
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$201.99
PRW Pro Series stainless steel rocker arms are manufactured from lightweight, premium quality 17-4ph stainless steel—a superior alloy high in nickel and chromium. This rigid, premium material provides outstanding fatigue resistance, and high-yield strength to help resist deflection. These rocker arms feature full-cage, friction-reducing needle bearings, and extra-large trunnions to spread out the load and reduce wear. Each rocker body is hand-polished, assembled, and carefully inspected to deliver the finest quality available to the racing and performance industry. Reduce your valvetrain mass with durable, lightweight PRW Pro Series stainless steel rocker arms. Order the set recommended for your specific vehicle and engine size. Features, items, and specs: * Wide assortment of ratios to suit almost any cam profile * Each set of 16 comes complete with PRW RockerLocs * Stud-mount design provides plenty of clearance for large diameter springs * CNC-machined pushrod cups * Heat-treated steel nose rollers and shafts resist severity of racing and minimize scrubbing
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$298.79
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$319.74
Restore your engine to its true power potential with Melling's stock replacement cam and lifter kits. They're perfect for either replacement or stock rebuilds. Melling cam and liter kits also include a matched set of lifters so you won't have to worry about mismatched parts during installation.
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$249.99
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$718.99
Keep your camshaft from wandering with Melling camshaft thrust plates. These solid steel plates protect your engine investment by returning your timing back to the desired specifications. Proper positioning of your camshaft is crucial. Don't let your cam walk--replace worn camshaft thrust plates with new ones from Melling.
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$2.99
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$30.99
Make some noise with Edelbrock Rollin' Thunder hydraulic roller camshafts. Designed to improve horsepower and torque, they feature more aggressive profiles than conventional flat-tappet hydraulic cams without excessive valve overlap. Recommended for high performance street and strip use, Edelbrock Rollin' Thunder hydraulic roller camshafts work best from 1,500 to 6,500 rpm and are performance matched to Edelbrock Total Power Package components for proven performance. Features Include: * Performance--roller camshafts generate higher lift velocity and faster valve action for increased horsepower and torque gains * Drivability--produces great sounding idle with excellent vacuum at idle * Durability--the smaller surface contact area of roller tappets and their reduced friction, together with stronger camshaft material (hardened steel or iron) ensures longer camshaft life * Environmental--can use ILSAC GF-4 oil, which lowers emissions and does not require zinc or phosphate oil additives * Economy--reduced contact friction between the lifter and camshaft can increase fuel economy for better mileage
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$434.95
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$464.95
Your valves will open more quickly from a fully closed to a fully opened position with a roller setup, compared with conventional flat lifters. With Sealed Power Hydraulic roller lifters you will notice higher performance, quieter engine operation, and more horsepower. They also provide proper vacuum and idling capabilities.
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$15.99
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$27.99
Summit Bucks
ACDelco GM Genuine Parts rocker arms are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. That means the purchase of ACDelco GM Genuine Parts rocker arms will provide the correct fit and performance, delivering an easier install along with the optimal operation in your vehicle. The rocker arms are offered in different styles, ratios, and mounting options. They're available for hundreds of applications.
( 1 )
$16.99
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