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2003 Camshafts & Valvetrain

Part Groups

Results 1 - 19 of 19

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ACDelco GM Genuine Parts Engine Timing Covers

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.

5.0 out of 5 stars ( 2 )

$118.99

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ACDelco GM Genuine Parts Engine Valve Lifter Guides

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.

5.0 out of 5 stars ( 5 )

$13.99

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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.

4.0 out of 5 stars ( 4 )

$23.99

$120.99

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COMP Cams HRT Stage 2 Camshafts

COMP Cams HRT Stage 2 camshafts use the newest and most advanced lobe designs in order to produce some of the highest average power and torque available. The "Low Shock Technology" features lobe profiles designed to maximize horsepower while improving stability at higher engine speeds. These profiles are also easier on the valve springs, enhancing durability and reducing load loss. These new HRT camshafts receive the Micro Surface Enhancement (MSE) finishing process as a standard feature, which increases strength and performance by reducing surface peak roughness and provides a 250 percent improvement in the effective load bearing area, allowing for much higher loads.

4.0 out of 5 stars ( 1 )

$579.95

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ACDelco GM Genuine Parts Rocker Arms

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.

5.0 out of 5 stars ( 1 )

$16.99

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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.

4.0 out of 5 stars ( 4 )

$28.99

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ACDelco GM Genuine Parts Engine Valve Springs

ACDelco GM Genuine Parts engine valve springs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. These replacement springs are made from factory materials--and are available for over a thousand vehicle applications from Chevy, Buick, Hummer, Pontiac, Cadillac, GMC, Isuzu, and Saab.

5.0 out of 5 stars ( 1 )

$5.99

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ACDelco GM Genuine Parts Camshaft Sprockets

ACDelco offers GM Genuine Parts camshaft sprockets for a wide range of cars, trucks, and vans. These engine timing OE replacement parts are machined from nickel steel to precise specifications. They're available in different diameters and tooth-counts. Stay with the parts brand your General Motors vehicle came with—to ensure the quality and performance will meet your expectations. Order the sprockets designed to fit your application.

5.0 out of 5 stars ( 1 )

$39.99

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COMP Cams Xtreme Fuel Injected Camshafts

COMP Cams Xtreme fuel injected camshafts are designed for late model applications. Ground using faster-opening and more efficient ramp profiles, Xtreme camshafts are engineered for 1.6 ratio rocker arms and beehive valve springs, which provide a dramatic increase in torque and horsepower.

4.76 out of 5 stars ( 29 )

$579.95

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ACDelco GM Genuine Parts Engine Rocker Arm Bolts

ACDelco GM Genuine Parts engine rocker arm bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These hex-flanged steel bolts fasten vehicle components together. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Order the hardware recommended for your application.

Not Yet Reviewed

$6.99

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ACDelco GM Genuine Parts Rocker Arm Shaft Supports

ACDelco GM Genuine Parts rocker panel arm shaft supports are designed, engineered, and tested to rigorous standards by General Motors and are the same as the OE parts installed during vehicle production. These GM-recommended replacements are manufactured for a precise fit and function as intended, contributing to the overall longevity and reliability of your engine. Choose the supports designed for your vehicle year/make/model.

Not Yet Reviewed

$53.99

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COMP Cams HRT Stage 1 Camshafts

COMP Cams HRT Stage 1 camshafts use the newest and most advanced lobe designs in order to produce some of the highest average power and torque available. The "Low Shock Technology" features lobe profiles designed to maximize horsepower while improving stability at higher engine speeds. These profiles are also easier on the valve springs, enhancing durability and reducing load loss. COMP Cams HRT camshafts receive the Micro Surface Enhancement (MSE) finishing process as a standard feature, which increases strength and performance by reducing surface peak roughness and provides a 250 percent improvement in the effective load bearing area, allowing for much higher loads. All HRT Stage 1 camshafts do not require upgraded valve springs.

5.0 out of 5 stars ( 1 )

$579.95

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Top Street Performance LS Oil Pump Pick-Up Girdles

Resolve a common issue with LS engines by using Top Street Performance GM LS oil pump pick-up girdles. The original ineffective seal uses a one-bolt design. TSP's girdle secures your pickup tube in place with two fasteners, preventing any drops in oil pressure. Top Street Performance delivers quality performance with their LS oil pump pick-up girdles.

1.5 out of 5 stars ( 2 )

$12.36

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COMP Cams HRT Stage 3 Camshafts

COMP Cams HRT Stage 3 camshafts use the newest and most advanced lobe designs in order to produce some of the highest average power and torque available. The "Low Shock Technology" features lobe profiles engineered to maximize horsepower while improving stability at higher engine speeds. These profiles are also easier on the valve springs, enhancing durability and reducing load loss. COMP Cams HRT Stage 3 cams receive the Micro Surface Enhancement (MSE) finishing process as a standard feature to increase strength and performance by reducing surface peak roughness. This also provides noticeable improvement in the effective load bearing area, thus allowing for much higher loads. Order the model recommended for your vehicle and engine application.

5.0 out of 5 stars ( 1 )

$579.95

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ACDelco Valve Spring Retainers

ACDelco offers valve spring retainers for a variety of applications, including many Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models. These OE replacements are designed, engineered, and tested to rigorous standards—and are backed by General Motors. They're the true factory parts installed during the production of each vehicle. The standard-style retainers are machined from steel with a protective finish. Order the size and thickness recommended for your engine.

Not Yet Reviewed

$4.99

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COMP Cams Turbo and Blower HRT Camshafts

Comp Cams turbo and blower HRT camshafts are available in a variety of mild-to-aggressive styles. These replacement hydraulic roller tappet models work with your blower, turbo, or supercharger to help provide the most power possible. Choose the grind and options needed for your vehicle and engine application.

1.0 out of 5 stars ( 1 )

$579.95

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COMP Cams Tri-Power Xtreme Camshafts

COMP Cams Tri-Power Xtreme camshafts have been designed to work with the FAST-FLASH programmers to optimize torque and horsepower and improve fuel efficiency. They are available for late model, fuel injected, computer-controlled engines. The COMP Cams Tri-Power Xtreme camshafts work with a standard valvetrain, and require no modifications to install.

Not Yet Reviewed

$579.95

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ACDelco GM Genuine Parts Camshaft Bolts

ACDelco GM Genuine Parts camshaft bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. For optimal performance, choose ACDelco camshaft bolts for your vehicle.

Not Yet Reviewed

$7.99

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Clearance

ACDelco Drive Belt Tensioners

ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.

4.5 out of 5 stars ( 38 )

$118.99


$95.50

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