GMC SIERRA 2500 HD Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA532-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA531-010K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA545-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +20.00cc Dish, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA532-010K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.005K2

Pistons, Speed of Air, Dimpled, 2618 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +20.00cc Dish, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA532-070K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.030K2

Pistons, Speed of Air, Dimpled Piston, 4032 Forged, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-030K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.010K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.005 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA528-005K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.065K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA528-030K2

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy - Pistons for 2017-2018 SIERRA 2500 HD, SIERRA 3500 HD, 2018 SILVERADO 3500 HD - 7227DKP.75MM

DUALOY Piston-GM 403ci/6.6L (V8) 2017-2018 Kit w/ PVD Rings

Part Number: UEM-7227DKP75MM

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy Pistons 7227DKP.STD

DUALOY Piston-GM 403ci/6.6L (V8) 2017-2018 Kit w/ PVD Rings

Part Number: UEM-7227DKPSTD

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy Pistons 7225D.1.0MM

DUALOY Piston-GM Duramax LML, LGH (8PK) 2012-2016

Part Number: UEM-7225D10MM

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy Pistons 7225D.25MM

DUALOY Piston-GM Duramax LML, LGH (8PK) 2012-2016

Part Number: UEM-7225D25MM

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy Pistons 7225D.5MM

Pistons, 4.055 in. Bore, Floating Offset 1.358 in. Pins, 1.96 in. CH, 41.7 cc Crown, for 3.897 in. Stroke/6.417 in. Connecting Rods, 6.6L Duramax,Set

Part Number: UEM-7225D5MM

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Dualoy Pistons 7225D.STD

DUALOY Piston-GM Duramax LML, LGH (8PK) 2012-2016

Part Number: UEM-7225DSTD

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Continental Accu-Drive Idler Pulleys 49186

IDLER AND TENSIONER PULLEYS

Part Number: CEL-49186

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

MAHLE Original Pistons 224-3664WR

Piston and Ring Kit, Chevy, LS, Kit

Part Number: MAH-2243664WR

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Oil Filler Caps 80986

Engine Oil Filler Cap, Stock Style, Chevy, GMC, Hummer, Isuzu, Workhorse, Each

Part Number: RNB-80986

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Oil Filler Caps 80987

Engine Oil Filler Cap, Stock Style, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Saturn, Workhorse, Workhorse Custom Chassis, Each

Part Number: RNB-80987

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Engine Oil Dipsticks 921-046

Engine Oil Dipstick

Part Number: RNB-921-046

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman - Oil Filler Tubes for 2009-2012 ESCALADE EXT, 2011 SIERRA 2500 HD - 918-121

Engine Oil Filler Tube

Part Number: RNB-918-121

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Valve Cover Fasteners 42089

Valve Cover Bolts

Part Number: RNB-42089

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Harmonic Balancers 594-717

HARMONIC BALANCER

Part Number: RNB-594-717

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Melling Valve Springs 461218

SPRING H.P. ENGINE VALVE

Part Number: MEL-461218

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Dorman Harmonic Balancers 594-565

Harmonic Balancer

Part Number: RNB-594-565

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Dorman Oil Pan Drain Plugs 65265

Oil Pan Drain Plug, 12mm x 1.75 Right Hand Thread, Seal, Each

Part Number: RNB-65265

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

King Engine Bearings Main Bearings MB5398SI 020

Crankshaft Main Bearings

Part Number: KGB-MB5398SI020

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King Engine Bearings Cam Bearings CS5171BB

King Engine Bearings Cam Bearings CS5171BB

Camshaft Bearings,GM LS 2006-2013 .775" wide

Part Number: KGB-CS5171BB

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today