GMC Engine Blocks & Accessories Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Dorman Main Cap Bolts 45691

Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

PRW Billet Steel Main Caps 1738901

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

PRW Billet Steel Main Caps 1745403

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 4

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-104BR

Melling Engine Expansion Plug Kits MPE-104BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-103BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-103BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

PRW Billet Steel Main Caps 1745402

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Proform Freeze Plug Kits 66551

Freeze Plugs, Brass, Chevy, 400, Small Block, Kit

Part Number: PRO-66551

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Dorman Expansion Plugs 555-003

Freeze Plugs, Steel, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10

Part Number: RNB-555-003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

ACDelco GM Genuine Parts Multi-Purpose Bolts 12561388

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dorman Expansion Plugs 565-023

Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10

Part Number: RNB-565-023

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-137-BR

Freeze Plug Kit, Brass, Chevy, Pontiac, Buick, GMC, Oldsmobile, V6, Kit

Part Number: PIO-PE-137-BR

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-101R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-101R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Dorman Expansion Plugs 555-019

Engine Expansion Plugs, Steel, Chevy, 3.2L, 3.8L, Set of 10

Part Number: RNB-555-019

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Dorman Expansion Plugs 565-017

Freeze Plugs, Brass, 1.000 in. Diameter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Jaguar, Set of 10

Part Number: RNB-565-017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Melling Oil Galley Plugs MOGP-100HP

OIL GALLEY PLUG

Part Number: MEL-MOGP-100HP

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Dorman Expansion Plugs 550-034

Engine Expansion Plugs, Steel, 3.00 in. Diameter, Chevy, GMC, Set of 10

Part Number: RNB-550-034

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Dorman Rear Main Seal Housings 635-786

Rear Main Seal Cover Kit

Part Number: RNB-635-786

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Dorman Expansion Plugs 555-011

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pioneer Performance Freeze Plugs PE-100-R

Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Dorman Expansion Plugs 555-087

Expansion Plugs, Steel, Diameter 1.638 in., Various, Each

Part Number: RNB-555-087

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

PRW Main Cap Stud Kits 1000321

Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dorman Expansion Plugs 02602

Engine Expansion Plug, Rubber/Steel, for 1.375 in. - 1.500 in. Holes, Each

Part Number: RNB-02602

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cloyes Engine Oil Galley Plugs P9115

Oil Galley Plug, GM 4-Cylinder, 2.2L, Each

Part Number: CLO-P9115

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-101BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-101BR

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today