Engine Blocks & Parts | Summit Racing

BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110325

Engine Block BBC, 2PC, SIAM, 10.200 x 4.500, BILLET MC

Part Number: MLL-BPP12110325

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

World Products Merlin IV Engine Blocks 095010

World Products Merlin IV Engine Blocks 095010

Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck Height, 4.495 in. Bore, Splayed Billet Main Caps, Standard Cam and Lifter bores, Each

Part Number: WRL-095010

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

BluePrint Engines Oil Galley Plugs BPP12573460

Plug, Oil Galley, LS, Billet Aluminum

Part Number: MLL-BPP12573460

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

ATI Block Plugs ATI951650A

Engine Expansion Plug, Water Jacket Hole Usage, Billet Aluminum, Chevy, Small Block LS, Each

Part Number: ATI-951650A

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

World Products Merlin IV Engine Blocks 095112-55

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.595 in. Bore, Splayed Billet Caps, 55mm Babbit Cam Bearings and 0.904 Lifter, Each

Part Number: WRL-095112-55

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Top Street Performance Finned Aluminum Engine Valley Covers 81045P

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

Part Number: TSN-81045P

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

Need It Sooner? We recommend these similar substitute parts:

Top Street Performance Trussed-Style Engine Valley Covers 81043C

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Estimated Ship Date: Today

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BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110330

Engine Block BBC, 2PC, SIAM, 9.800 x 4.600, BILLET MC

Part Number: MLL-BPP12110330

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

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

Estimated Ship Date: Today

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Estimated Ship Date: Today

World Products Motown LS Iron Blocks 084180

Engine Block, Cast Iron, Billet 4-Bolt Mains, 3.995 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084180

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Callies Mopar Hellephant Engine Blocks P5160271AA

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

Part Number: CPI-P5160271AA

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

World Products Motown Race Engine Blocks 084135RC

Engine Block, Cast Iron, 400 Mains, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084135RC

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Top Street Performance Oil Galley Plugs 81081-3

GM GEN III/IV LS BILLET ALUMINUM OIL FILTER BYPASS VALVE DELETE PLUG

Part Number: TSN-81081-3

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

Allstar Performance Lifter Valley Plates ALL90107

Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Callies Mopar Engine Blocks 05045475AG-KIT

Engines, Bare Blocks, Gen III Hemi, Cast Iron, OEM Style, Standard Deck, 4.10 in. Bore, 2-Bolt Mains, Energy Billet Main Caps, Dodge, RAM, 6.4L, Each

Part Number: CPI-S0033

Not Yet Reviewed

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World Products Merlin IV Engine Blocks 095010-55

Engines, Bare Block, Cast Iron, Merlin IV BBC, 9.800 in. Deck, 4.495 in. Bore, Billet Caps, 55mm Babbitt Cam Bearings and 0.904 in. Lifter bores, Each

Part Number: WRL-095010-55

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

Top Street Performance Trussed-Style Engine Valley Covers 81043BK

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

Part Number: TSN-81043BK

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

Need It Sooner? We recommend these similar substitute parts:

Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

Not Yet Reviewed

Estimated Ship Date: Today

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Go Fast Bits External Wastegates 7002

Wastegate, Stainless Steel Base, Billet Housing, 44mm, V-Band Style Clamp, External Wastegate, Each

Part Number: GFS-7002

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

BluePrint Engines GM LS Compatible Bare Engine Blocks BPP12110359

Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 4 HD BLT

Part Number: MLL-BPP12110359

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

BluePrint Engines GM Small Block Compatible Bare Engine Blocks BPP12110348

Engine Block SBC, 2PC, SIAM, 9.025 x 4.125, 400MAIN, BILLET MC, SC

Part Number: MLL-BPP12110348

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

BluePrint Engines Small Block Ford Compatible 351 Cleveland Bare Engine Blocks BPP12110335

Engine Block SBF 351, SIAM, CLEV, 9.500 x 4.125, BILLET MC

Part Number: MLL-BPP12110335

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

BluePrint Engines Small Block Ford Compatible 351 Cleveland Bare Engine Blocks BPP12110336

Engine Block SBF 351, SIAM, CLEV, 9.500 x 4.000, BILLET MC

Part Number: MLL-BPP12110336

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

Philadelphia Racing Products Rear Main Seal Adapters PRP-8571

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

Part Number: PGP-PRP-8571

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

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

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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Estimated Ship Date: Today

World Products Merlin IV Engine Blocks 095013-55

Engine Block, Cast Iron, 4-Bolt Mains, 4.495 in. Bore, 9.500 in. Deck, 55mm Cam Bore, Billet Steel Main Cap, 2-Piece Rear Seal, Chevy, Big Block, Each

Part Number: WRL-095013-55

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today