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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
ACDelco GM Genuine Parts engine timing covers are OE replacements for a variety of applications. The aluminum covers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The timing cover is an essential component designed to protect the timing belt, timing chain or cam belt of your car from road debris, grime and gravel; timing belts or chains control the rotation of the camshafts and crankshaft in the internal combustion engine. Order the cover recommended for your vehicle.
( 2 )
$116.99
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.
( 20 )
$17.99
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$54.99
Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine's nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.
( 22 )
$1,545.95
COMP Cams Xtreme Energy retrofit cam and lifter kits are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy kit available for you. By using an aggressive lobe profile, these kits provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.
( 40 )
$1,546.95
These Chevrolet Performance engine valley covers are made of aluminum. They can be used for Chevrolet Performance SB2.2, Spider-type, intake manifolds, runners, or race applications.
( 47 )
$209.99
These Cloyes Quick Button two-piece timing covers have a removable center plate with an O-ring seal to allow for easy access to your cam when changing your timing. Depending upon your application, some covers feature a built-in roller cam button that allows you to adjust cam endplay with the cover in place. Precision-machined from die-cast aluminum for sure sealing, these covers fit with most water pumps and timing sets.
( 136 )
$186.99
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$224.99
If you're looking for a cost-effective camshaft solution to delete that pesky DOD—Chevrolet Performance stock replacement non-DOD camshafts are the answer. They're designed to work with OEM valve springs/pushrods in the DOD-equipped Gen 4 trucks. These OEM camshafts are standard equipment on non-DOD 5.3L trucks. Since they come as a single-bolt style, new timing gear won't be necessary. Just swap cams and additional DOD delete parts (sold separately) and you're ready to roll! A fairly stock truck shouldn't require dyno tuning; however, the DOD system must be disabled in ECU for proper functionality. It is advised to consult with your tuner for more information. Order the model recommended for your year/make and engine application. Additional features include: * Hydraulic roller tappet cam * Single-bolt camshaft gear attachment * Computer-controlled compatible * This is the camshaft only (other components sold separately)
( 17 )
$352.99
Melling offers their engine cylinder deactivation kits for converting active fuel management engines to non-active fuel management versions. These AFM (active fuel management) or MDS (multi-displacement system) delete combos include a variety of components to help complete the changeover. Order the Melling AFM/MDS delete combo best suited for your application. Each kit includes: * MDS delete camshaft (1) * Non-MDS hydraulic roller lifters (16) * Lifter guides for Non-MDS engines (4) Application dependent components include: * AFM/MDS solenoid plugs (4) * Camshaft thrust plate (1) * Variable Valve Tming (VVT) oil control valve (1) Notes: * When installing a delete cam, the active fuel management lifters must be replaced using non-active fuel management lifters. * The valve lifter guides used in non-active fuel management engines differ from those used in active fuel management engines and must be replaced for this application. * The AFM/MDS solenoids must be replaced using non-MDS plugs. * The vehicle engine control module/powertrain control module must be reprogrammed to turn off the active fuel management system in the operating software. * Pushrod length must be checked during installation to verify the correct length.
( 4 )
$634.99
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$656.99
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.
( 125 )
$189.99
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$289.99
These Summit Racing™ mechanical lifters are manufactured using the tightest tolerances in the industry, ensuring optimum performance. The crown of the lifters is ground to a precise radius for proper break-in and to guarantee long life. The Summit Racing™ mechanical lifters feature an oil-metering band milled to the correct depth to prevent too much oil from being delivered to the top of the motor and to prevent horsepower loss.
( 2 )
$109.99
Offering a level of True Roller advantage for the value-racer, Cloyes upgraded the cam sprockets to feature the strength of billet steel and added critical functioning features. The billet steel durability, 9-keyway induction-hardened crank sprocket, .250 True Roller chain, and precise CNC machining together offer quality and adjustability unmatched in their class. Features include: • Billet steel cam sprocket • Induction heat-treated billet steel crank sprocket • 9 keyways allow +/- 8 degrees • Adjustability in 2 crank degree increments • True Roller chain with .250 in. diameter rollers
( 143 )
$100.99
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$353.99
ACDelco GM Genuine Parts camshafts 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 your Chevrolet, Buick, GMC, or Cadillac vehicle. For optimal performance, choose a replacement camshaft that you know will fit and function like the original from ACDelco GM Genuine Parts camshafts.
Not Yet Reviewed
$136.99
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$149.99
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.
( 386 )
$305.95
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$1,560.95
Cloyes street true roller timing sets are aimed at the value-driven racer. They have precision-machined, cast iron cam sprockets and induction-hardened, billet steel crank sprockets. The crank sprockets have three keyways for timing adjustment--4 degrees retarded, 4 degrees advanced, and normal. The chains are rugged, double-row types with oversized 0.250 in. rollers that deliver long life and reliability.
( 125 )
$47.99
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$77.99
ACDelco GM Genuine Parts engine valve lifter guides keep the lifters from rotating. These GM-recommended replacements deliver peace of mind that the fit, form, and function are of the highest standards. Order the guides designed for your GM year/make and engine application.
( 5 )
$12.99
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$17.99
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.
( 72 )
$7.99
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$17.99
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.
( 180 )
$305.95
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$518.95
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.
( 50 )
$7.99
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$13.99
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.
( 133 )
$29.99
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$532.99
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.
( 7 )
$55.99
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$94.99
Chevrolet Performance rocker arm stands mount between the shaft and cylinder head for the correct rocker arm mounting position. These rocker arm stands are quality-made for a lifetime of service.
( 15 )
$62.99
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.
( 174 )
$53.99
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$1,118.99
Howards Cams double roller billet steel timing sets are designed for accuracy and long life. Lightweight by design, these sets feature a billet steel cam sprocket with lightening holes, a heat-treated crank sprocket, and a black oxide coating. They also include large .250 in. diameter seamless roller chains.
( 64 )
$124.99
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$160.99
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