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CHEVROLET ASTRO Camshafts & Valvetrain
Showing In Stock Items. Show All 83 Items.
Summit Racing™ True Roller Timing Sets
Summit Racing offers True Roller timing sets for a wide range of vehicles from the 1950s and up. These single- or double-roller sets have rugged true-roller chains, teamed with steel crank and cam sprockets. The crank sprockets feature multiple keyways, which allow you to set the cam timing to your choice of degrees in advanced, retarded, or normal. Order the timing set recommended for your year, make, and engine application.
( 183 )
$58.99
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$71.99
Melling Factory Hydraulic Roller Lifters
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.
( 21 )
$24.99
Cloyes Quick Button Two-Piece Timing Covers
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.
( 139 )
$156.99
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$189.99
Cloyes Street Billet True Roller Timing Sets
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
( 149 )
$79.99
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$222.99
Cloyes Street True Roller Timing Sets
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.
( 130 )
$41.99
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$67.99
ACDelco GM Genuine Parts Hydraulic Roller Lifters
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.
( 4 )
$31.99
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$126.99
Cloyes Original Race True Roller Timing Sets
Cloyes Original race true roller timing sets feature full roller-action chains made from high-strength steel for superior durability. The cam sprockets are made from heat-treated cast or ductile iron, while the crank sprockets are machined from heat-treated, high-carbon steel for strength. With three keyways for adjustability (4 degrees advanced, 4 degrees retarded, and normal), Cloyes Original race true roller timing sets are hand-matched to ensure precise chain tension.
( 47 )
$119.99
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$155.99
Cloyes Hex-A-Just Timing Sets
With Cloyes Hex-A-Just timing sets, infinitely adjustable cam timing is as simple as turning an Allen wrench. Consisting of SAE 1144 billet steel cam and crank sprockets and a true roller timing chain, these timing sets use a special hex-head bushing installed on your cam's dowel pin. This bushing lines up with degree marks on the cam sprocket. You can adjust timing in fractions of a degree (as much as +/-6 degrees) by loosening the cam bolts and turning the bushing with an Allen wrench. Cloyes Hex-A-Just timing sets install under your stock timing cover and can be used in align-bored blocks. Order the model designed for your vehicle and engine application.
( 34 )
$175.99
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$219.99
Summit Racing™ Billet Steel Timing Sets
Trust Summit Racing™ to give you timing sets that will deliver accurate, reliable cam timing. Our billet steel true roller timing sets have rugged double-row, true-roller chains teamed up with billet steel crank and cam sprockets. The crank sprockets have multiple keyways, which allow you to modify your cam timing. Get reliable timing from Summit Racing™ billet steel timing sets.
( 120 )
$104.99
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$209.99
Melling Replacement Hydraulic Lifters
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.
( 41 )
$13.99
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$21.99
Cloyes Race Billet True Roller Timing Sets
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!
( 100 )
$121.99
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$158.99
Melling Performance PRO-Line Pushrods
Melling Performance PRO-Line pushrods give you the reliability that you need from your valvetrain. They are manufactured from high-quality carbon steel, are hardened for use with guideplates, and exceed OEM specifications. Their pushrods also feature close-tolerance wall thickness and a centerless ground to make sure that they are a matched set. Choose Melling Performance PRO-Line pushrods to keep your valvetrain operating efficiently.
( 12 )
$10.99
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$18.99
Melling Pushrods
Melling OEM replacement pushrods are perfect for stock rebuild or mild performance applications where open spring pressures do not exceed 300 lbs. They're manufactured from steel tubing and work well with factory or aftermarket rocker arms. These units are available in a wide range of lengths and other options for fitment on countless makes and models. When you're replacing your valvetrain components, trust Melling pushrods to keep your engine running smoothly.
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$1.99
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$3.99
Cloyes Heavy-Duty Timing Sets
Cloyes heavy-duty timing sets supply everything you need from a timing chain—performance and reliability. The cam sprockets are machined from cast iron with billet steel crank sprockets. Cloyes heavy-duty timing sets are available in single or double roller versions and offer .200 in. (for small blocks) or .222 in. (for big blocks) diameter double roller chains. Cloyes heavy-duty timing sets are considered the industry's most reliable workhorses. They're engine- or model-specific; order the set designed for your application.
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$32.99
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$84.99
Edelbrock Performer-Link True Roller Timing Chain Sets
Edelbrock Performer-Link true roller 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. Crank gears are machined from SAE 1144 stress-proof steel. Most Edelbrock Performer-Link true roller timing chain sets have three keyways to ensure accurate timing for early or late model vehicles, and to allow you to set cam timing 4 degrees advanced, 4 degrees retarded, or stock. However, 50-state (stock replacement) sets have single keyways. Edelbrock Performer-Link true roller timing chain sets are not for use above 6,500 rpm.
( 178 )
$39.95
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$85.95
Melling Rocker Arms
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.
( 82 )
$6.99
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$25.99
Howards Cams Double Roller Timing Sets
Howards Cams double roller timing sets are hand-matched for quality and reliability. These 3-piece timing sets feature a premium double roller chain for extended life with cast iron cam sprockets. The 3-keyway crank sprockets offer a +4, 0, -4 cam adjustment.
( 13 )
$42.99
PRW Pro Series Shaft-Mount Rocker Arms
PRW Pro Series shaft-mount rocker arm kits are comprised of components from the finest manufacturers in the world. CNC machined billet steel pedestals, ground steel alloy rocker shafts, PRW alloy steel fasteners, and studs and bolts are included in the complete kits for a professional install. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. Choose the kit designed for your vehicle.
( 1 )
$775.05
Chevrolet Performance Camshaft Bolts
Chevrolet Performance offers an assortment of durable bolts for use on your camshaft installation Choose from among various materials, including steel and chromoly; finishes such as black oxided and natural; lengths, head styles, and thread sizes. These bolts are available for a wide range of engine sizes and camshaft component applications.
( 30 )
$3.99
Cloyes Replacement Timing Chains
Restore prime performance to your engine with the ultra-durable construction of Cloyes OE replacement timing chains. They're precisely engineered with high-quality materials for optimum chain-to-tooth fitment and timing. Cloyes has been manufacturing and marketing timing components for nearly a century and is a leading aftermarket manufacturer of timing drive components. Features include: * Made from high-quality materials for durability * Precisely engineered for optimum chain-to-tooth fitment and timing * Direct-fit for straightforward installation * Available for wide range of vehicle-specific applications
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$19.99
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$77.99
ACDelco GM Genuine Parts Camshaft Thrust Plates
ACDelco GM Genuine Parts engine camshaft retainer plates 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, so you can be confident they will fit and perform just like the originals they are replacing. Select the thrust plates designed for your vehicle.
( 6 )
$15.99
Melling Rocker Arm Nuts
Don't cheap out with inferior rocker arm nuts--use Melling! These rocker arm nuts from Melling are made from quality-grade steel for strength and durability. They're designed to keep your rocker arms positively locked for precise and critical valvetrain adjustment. So, if you want to keep your valve settings correct for a good length of time, rely on Melling to deliver!
( 4 )
$1.99
Cloyes Race Billet True Z-Racing Roller Timing Sets
The only choice for serious racing—Cloyes Z-Racing billet timing sets. These track-proven billet race sets feature induction heat-treated sprockets, hand-matched with the high-strength of a heat-treated chain. Cloyes Z-chain offers 33 percent more overall strength than their premium chain, making it the most durable and dependable choice for extreme builds and racers that demand no compromise. The fine blanked links reduce stress risers, thus minimizing fractures under severe load. The press-fit center links improve load share by reducing load spikes on any single component. When you're determined to win, team up with Cloyes Z-Racing billet timing sets for successful performance.
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$156.99
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$355.99
Melling Stock Replacement Cam and Lifter Kits
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.
( 21 )
$496.99
