1980 GMC Camshafts & Valvetrain Engines & Components

COMP Cams Xtreme 4x4 Camshafts 12-243-3

COMP Cams Xtreme 4x4 Camshafts 12-243-3

Camshaft, Hydraulic Flat Tappet, Advertised Duration 270/278, Lift .480/.498, Chevy, Small Block, Each

Part Number: CCA-12-243-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Proform Stamped Steel Rocker Arms 66905

Rocker Arms, 3/8 in. Stud Mount, Stamped Steel, 1.5 Ratio, Chevy, Small Block, Set of 16

Part Number: PRO-66905

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Replacement Valve Locks 476104

Valve Lock, Replacement, 0.326 in. Stem Diameter, 1-groove, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mercury, Oldsmobile, Pontiac, Each

Part Number: MEL-476104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Spectre Performance Timing Pointers 4237

Timing Tab, Chrome Plated Steel, Adjustable Red Anodized Pointer, fits 8 in. Balancer Only, Chevy, Each

Part Number: SPE-4237

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Proform Stamped Steel Rocker Arms 66923C

Rocker Arms and Pushrods, Stud Mount, Steel, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Kit

Part Number: PRO-66923C

2.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMP Cams High Energy Camshafts 12-206-2

Camshaft, Hydraulic Flat Tappet, Advertised Duration 260/260, Lift .440/.440, Chevy, Small Block, Each

Part Number: CCA-12-206-2

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Pushrods MPR-379

Pushrod, Assembled, Steel, 5/16 in. Tube Diameter, Ball Tips, 8.230 in. Overall Length, Chevrolet, GMC, Each

Part Number: MEL-MPR-379

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PRW Sportsman Steel Roller Tip Rocker Arms 68350315

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.5 Ratio, Fits 3/8 in. Stud, With Oil Deflector, Chevy, Small Block, Set of 16

Part Number: PQX-68350315

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Pushrod Guideplates MGP1034

Pushrod Guideplates, Raised, Steel, Black Oxide, 5/16 in. Size, Cadillac, Chevrolet, GMC, Pontiac, Set of 4

Part Number: MEL-MGP1034

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Crower Solid Lifters 66900-12

Lifters, Mechanical Flat Tappet, Buick, Chevy, L6, H6, V6, Set of 12

Part Number: CRO-66900-12

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

ATP Timing Covers 103120

Timing Cover, 1-Piece, Natural, Chevy, Small Block, Each

Part Number: ATP-103120

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cloyes Race Billet True Roller Timing Sets 9-3610TX3-5

Timing Set, Double Roller Chain, 0.005 in. Shorter Length, Billet Steel Sprockets, Chevy, Big Block, Set

Part Number: CLO-9-3610TX3-5

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Timing Chain Sets 48574T-9

Timing Chain and Gear Set, Double Roller, Cast Iron Cam Gear, Billet Steel Crankshaft Gear, Chevrolet, Set

Part Number: MEL-48574T-9

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Stock Replacement Cam and Lifter Kits CL-CCS-23

KIT-ENGINE CAMSHAFT/LIFTER

Part Number: MEL-CL-CCS-23

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cloyes Replacement Timing Chains 9-134

Replacement Timing Chain, Double Roller, Chevy, Big Block, Each

Part Number: CLO-9-134

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMP Cams Oval Track Camshafts 12-609-5

Camshaft, Mechanical Flat Tappet, Advertised Duration 285/295, Lift .532/.555, Chevy, Small Block, Each

Part Number: CCA-12-609-5

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PRW Sportsman Steel Roller Tip Rocker Arms 68350316

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.6 Ratio, Fits 3/8 in. Stud, With Oil Deflector, Chevy, Small Block, Set of 16

Part Number: PQX-68350316

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mr. Gasket Screw-In Rocker Arm Studs 1076

Rocker Arm Studs, 3/8-24 in. Thread, 1.470 in. Effective Stud Length, Chevy/Ford, Small Block, Kit

Part Number: MRG-1076

4.06 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Howards Cams Double Roller Billet Steel Timing Sets 94305-5

Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, Big Block V8, Set

Part Number: HRS-94305-5

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Edelbrock Sure Seat Valve Spring Kits 5895

Valve Spring Kit, Sure Seat, Single, 1.500 in. Outside Diameter, Steel Retainers, Steel Locks, 7 degree, Kit

Part Number: EDL-5895

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Melling Rocker Arm Nuts MRM-1793

Rocker Arm Nut, Self-locking, Non-roller, 7/16-20 in. Rocker Stud Thread Diameter, Chevrolet, Ford, GMC, Mercury, Each

Part Number: MEL-MRM-1793

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PRW Sportsman Steel Roller Tip Rocker Arms 0835004

Rocker Arms, Sportsman Steel Roller Tip, Stud Mount, Chromoly Steel, Natural, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-0835004

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts 12-600-8

Camshaft, Hydraulic Roller Tappet, Advertised Duration 283/303, Lift .511/.498, Chevy, Small Block, Each

Part Number: CCA-12-600-8

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMP Cams Sportsman Solid Roller Lifters 96818-2

Lifters, Sportsman Solid Roller, Mechanical Roller, 0.842 in. O.D., Chevy, GMC, Small Block, Pair

Part Number: CCA-96818-2

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cloyes Quick Button Two-Piece Timing Cover Replacement Plates 9-221B

Replacement Plate for kits: 9-221, 9-227, 9-231, Each

Part Number: CLO-9-221B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air