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2003 GMC SIERRA-1500-HD Camshafts & Valvetrain

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Holley LS Valley Covers 241-262

Holley LS Valley Covers 241-262

Holley LS Valley Covers 241-262

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Black Anodized, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-262

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Cloyes Replacement Timing Chains 9-303-5

Cloyes Replacement Timing Chains 9-303-5

Cloyes Replacement Timing Chains 9-303-5

Timing Chain, Replacement, Chain Only, GM LS Engine, .005 in. Reduced Center Distance, Each

Part Number: CLO-9-303-5

5.0 out of 5 stars ( 1 )

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Melling Timing Chain Sets 48560T-9

Melling Timing Chain Sets 48560T-9

Melling Timing Chain Sets 48560T-9

Timing Chain and Gear Set, Single Roller, Billet Steel/Steel Sprockets, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Set

Part Number: MEL-48560T-9

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Cloyes Z Series Replacement Timing Chains 9-304

Cloyes Z Series Replacement Timing Chains 9-304

Cloyes Z Series Replacement Timing Chains 9-304

Timing Chain, Single Roller, Replacement, Chevy, Small Block, LS, Each

Part Number: CLO-9-304

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Cloyes Hex-A-Just Timing Sets 9-3159A

Cloyes Hex-A-Just Timing Sets 9-3159A

Cloyes Hex-A-Just Timing Sets 9-3159A

Timing Chain and Gear Set, Hex A Just Double Roller, Double Roller, Chevy, 4.8/5.3/6.0L, Set

Part Number: CLO-9-3159A

1.0 out of 5 stars ( 1 )

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Melling M-Select Class 1 Camshafts MTC-8

Melling M-Select Class 1 Camshafts MTC-8

Melling M-Select Class 1 Camshafts MTC-8

Camshafts HYD. TORQUE CAMSHAFT

Part Number: MEL-MTC-8

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Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9Z

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9Z

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9Z

Timing Set, Single Roller, Steel Sprockets, Chevy, Set

Part Number: CLO-9-3658TX9Z

5.0 out of 5 stars ( 1 )

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Cloyes Replacement Timing Chain Bushings P9005

Cloyes Replacement Timing Chain Bushings P9005

Cloyes Replacement Timing Chain Bushings P9005

Bushing, Cam, 0 Degree, Each

Part Number: CLO-P9005

5.0 out of 5 stars ( 2 )

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Cloyes Timing Crankshaft Sprockets S827

Cloyes Timing Crankshaft Sprockets S827

Cloyes Timing Crankshaft Sprockets S827

Timing Gear, Crankshaft Sprocket, 22-tooth, Steel, Chevy, Each

Part Number: CLO-S827

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Cloyes Race Billet True Roller Timing Sets 9-3659X3

Cloyes Race Billet True Roller Timing Sets 9-3659X3

Cloyes Race Billet True Roller Timing Sets 9-3659X3

Timing Set, Double Roller, Billet Steel Crank Sprocket, Iron Cam Sprocket, Chevy, LS1/LS2/LS6, Set

Part Number: CLO-9-3659X3

1.5 out of 5 stars ( 2 )

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Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX3Z

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX3Z

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX3Z

Timing Set, Single Roller Chain, Billet Steel Sprockets, Chevy, 5.7L LS, 6.0L LS, Set

Part Number: CLO-9-3658TX3Z

4.5 out of 5 stars ( 2 )

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Cloyes Timing Camshaft Sprockets S878T

Cloyes Timing Camshaft Sprockets S878T

Cloyes Timing Camshaft Sprockets S878T

Timing Gear, Camshaft Sprocket, 44-tooth, Steel, Chevy, Each

Part Number: CLO-S878T

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Melling Timing Chain Dampener Brackets BD417-BRKT

Melling Timing Chain Dampener Brackets BD417-BRKT

Melling Timing Chain Dampener Brackets BD417-BRKT

Timing Chain Dampener Brackets, Steel, Black, Chain Damper, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-BD417-BRKT

3.0 out of 5 stars ( 2 )

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Mahle Original Timing Chain Kits 9-3220

Mahle Original Timing Chain Kits 9-3220

Mahle Original Timing Chain Kits 9-3220

Timing Chain Set, Single Roller, Buick, Cadillac, Chevy, GMC, Pontiac, LS, Set

Part Number: MAH-93220

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PRW Pro Series Stainless Steel Rocker Arms 0236431-01

PRW Pro Series Stainless Steel Rocker Arms 0236431-01

PRW Pro Series Stainless Steel Rocker Arms 0236431-01

Rocker Arm Single Offset

Part Number: PQX-0236431-01

1.0 out of 5 stars ( 1 )

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PRW Timing Covers 5234600

PRW Timing Covers 5234600

PRW Timing Covers 5234600

Timing Cover, Distributor Conversion, Aluminum, Natural, LS GEN III, Kit

Part Number: PQX-5234600

5.0 out of 5 stars ( 1 )

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Melling Camshafts 22327

Melling Camshafts 22327

Melling Camshafts 22327

CAMSHAFT ENGINE

Part Number: MEL-22327

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Cloyes Replacement Timing Chains 9-302

Cloyes Replacement Timing Chains 9-302

Cloyes Replacement Timing Chains 9-302

Timing Chain, Single Roller, Replacement, Chevrolet, Small Block, LS, Each

Part Number: CLO-9-302

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

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Estimated Ship Date: Oct 1, 2025 if ordered today

Cloyes Oil Pump Drive Gears 9-228

Cloyes Oil Pump Drive Gears 9-228

Cloyes Oil Pump Drive Gears 9-228

ROTOR DRIVE

Part Number: CLO-9-228

5.0 out of 5 stars ( 1 )

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Holley LS Valley Covers 241-260

Holley LS Valley Covers 241-260

Holley LS Valley Covers 241-260

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-260

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Melling M-Select Class 3 Camshafts 22307

Melling M-Select Class 3 Camshafts 22307

Melling M-Select Class 3 Camshafts 22307

Engine Camshaft, High Performance Camshaft

Part Number: MEL-22307

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Cloyes Replacement Timing Chains 9-131-5

Cloyes Replacement Timing Chains 9-131-5

Cloyes Replacement Timing Chains 9-131-5

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

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Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9ZR

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9ZR

Cloyes Race Billet True Z-Racing Roller Timing Sets 9-3658TX9ZR

Timing Set, Single Roller, Steel Sprockets, 0.390 in. Raised Cam, Chevy, LS, Set

Part Number: CLO-9-3658TX9ZR

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

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Estimated Ship Date: Oct 1, 2025 if ordered today

Cloyes Replacement Timing Chains 9-4205

Cloyes Replacement Timing Chains 9-4205

Cloyes Replacement Timing Chains 9-4205

ENGINE TIMING CHAIN

Part Number: CLO-9-4205

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Cloyes Wear Plates 9-232

Cloyes Wear Plates 9-232

Cloyes Wear Plates 9-232

Camshaft Thrust Bearing, Needle Bearing, Steel, Chevy, LS, Each

Part Number: CLO-9-232

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Summit Racing Speedcard. Synchrony Car Care.

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