Engine Blocks & Parts | Summit Racing

World Products Main Cap Fasteners 701416

World Products Main Cap Fasteners 701416

Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit

Part Number: WRL-701416

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Engine Works Small Block Rear Main Seal Adapters 350LRMSA

Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit

Part Number: EW1-350LRMSA

Not Yet Reviewed

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Philadelphia Racing Products Rear Main Seal Adapters PRP-8576

Billet Main Seal Covers, Black Billet LS Rear Main Seal Cover

Part Number: PGP-PRP-8576

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

Summit Racing™ Oil Cooler Block-Off Plates SUM-121025

Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, Chevy, LS, Each

Part Number: SUM-121025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley LS Valley Covers 241-367

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Rear Main Seal Housings SUM-01-8571

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each

Part Number: SUM-01-8571

Not Yet Reviewed

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Summit Racing™ Rear Main Seal Housings SUM-01-8576

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each

Part Number: SUM-01-8576

Not Yet Reviewed

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Allstar Performance Lifter Valley Plates ALL90106

Billet Cover, LS1 Billet Valley Cover

Part Number: AAF-ALL90106

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Callies Mopar Drag Pak Engine Blocks P5160272AA

Engine Block, Aluminum, Billet Steel Main Caps, 4.125 Bore, 9.25 in. Deck Height, Drag Pak, Mopar, Each

Part Number: CPI-P5160272AA

Not Yet Reviewed

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Top Street Performance Trussed-Style Engine Valley Covers 81043C

Engine Valley Cover, Trussed, Billet Aluminum, Chrome, Hardware Included, Chevy, Each

Part Number: TSN-81043C

Not Yet Reviewed

Estimated Ship Date: Today

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Howards Cams Main Cap Support Straps H350RSWS

Main Bearing Cap Strap, Steel Billet, Rear, Wet Sump, Chevy, 350, Each

Part Number: HRS-H350RSWS

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

World Products Merlin IV Engine Blocks 095012-55

Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.595 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each

Part Number: WRL-095012-55

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

Engine Valley Cover, Finned, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81045BK

Not Yet Reviewed

Estimated Ship Date: Today

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Top Street Performance Trussed-Style Engine Valley Covers 81044C

Engine Valley Cover, Trussed, Billet Aluminum, Chrome, Hardware Included, Chevy, Each

Part Number: TSN-81044C

Not Yet Reviewed

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Edelbrock Piston Oiler Kits 549120

Piston Oiler Kit, Billet Steel Squirters, Chevy, Small Block LS, Kit

Part Number: EDL-549120

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Top Street Performance Trussed-Style Engine Valley Covers 81044BK

Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81044BK

Not Yet Reviewed

Estimated Ship Date: Today

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Top Street Performance Oil Galley Plugs 81081

GM GEN III/IV LS BILLET ALUMINUM ENGINE BLOCK OIL GALLEY PLUGS KIT

Part Number: TSN-81081

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Top Street Performance Oil Galley Plugs 81570

GM GEN V LT BILLET ALUMINUM ENGINE BLOCK OIL GALLEY BARBELL PLUG

Part Number: TSN-81570

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Top Street Performance Oil Galley Plugs 81081-2

GM GEN III/IV LS BILLET ALUMINUM FRONT OIL GALLEY PLUG

Part Number: TSN-81081-2

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

World Products Merlin IV Engine Blocks 095100

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.245 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095100

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

World Products Merlin IV Engine Blocks 095017

Engine Block, Cast Iron, 4-Bolt Mains, 4.595 in. Diameter Bore, 9.850 in. Deck, Billet Steel Main Caps, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095017

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today