GMC SIERRA 2500 HD CLASSIC Summit Racing Engines & Components

Harmonic Balancer, Internal Balance, Long Spacing, Steel, Clearcoated, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, Each

Part Number: SUM-C2520

4.61 out of 5 stars ( 49 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Timing Chain and Gear Set, Double Roller, Billet, 3 Bolt, 1 Cam Sensor, Adjustable, Chevrolet, LS, Set

Part Number: SUM-G6646-BA

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Oil Filter, Canister, 22mm x 1.5 Thread, 3.350 in. High, common on 2007+ LS, Each

Part Number: SUM-127001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Valve Cover Grommets, Rubber, Chevy, GMC, Hummer, Pontiac, Chevy/GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-110570

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Timing Chain Kit, Single Roller Style, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Kit

Part Number: SUM-TS73162

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2026 if ordered today

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• Special Order