Engine Blocks & Parts | Summit Racing

World Products Merlin IV Engine Blocks 095110

World Products Merlin IV Engine Blocks 095110

Engines, Bare Block, Cast Iron, Merlin IV BBC, 10.200 in. Deck, 4.495 in. Bore, Splayed Billet Caps, Standard Cam Bearings and Lifter bores, Each

Part Number: WRL-095110

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 Motown LS Iron Blocks 084180-904

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-084180-904

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

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

Moroso Rear Main Seal Adapter Kits 38415

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

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 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

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 22, 2026 if ordered today

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Estimated Ship Date: May 22, 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

Dart Main Caps 32792030H

BILLET MAIN CAP

Part Number: DRT-32792030H

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

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 22, 2026 if ordered today

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Estimated Ship Date: May 22, 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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Edelbrock Rear Main Seal Housings 54900RSRM

REAR SEAL COVER, FOR RHS LS BLOCK BILLET

Part Number: EDL-54900RSRM

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Callies Performance Engines, Bare Blocks 300-907

10.2 DECK SBF SOLID BILLET BLO

Part Number: CPI-300-907

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Dart Main Caps 32763020

MAIN CAP BILLET #1

Part Number: DRT-32763020

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

Dart Main Caps 32792020H

BILLET MAIN CAP

Part Number: DRT-32792020H

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

Dart Main Caps 32792050H

BILLET MAIN CAP

Part Number: DRT-32792050H

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

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 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

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

World Products Motown Race Engine Blocks 084135RC-904

Engine Block, Cast Iron, 400 Mains, 0.904 in. Lifter, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084135RC-904

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

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

World Products Main Stud Kits WPI701432

Main Studs, 4-Bolt Main, Man O'War, Billet Main Caps, Ford, Small Block Windsor, Kit

Part Number: WRL-701432

Not Yet Reviewed

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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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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

BluePrint Engines Small Block Ford Compatible 302 Windsor Bare Engine Blocks BPP12110339

Engine Block SBF 302, SIAM, 8.200 x 4.125, BILLET MC

Part Number: MLL-BPP12110339

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Ford 302 Engine Block SUM-150207

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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