Engine Blocks & Parts | Summit Racing

World Products Main Caps 703370-5

BILLET MAIN CAPS

Part Number: WRL-703370-5

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

World Products Main Caps WPI703370C

World Products Main Caps WPI703370C

Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each

Part Number: WRL-703370C

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

World Products 302 C.I.D. Ford Man O'War Blocks 087010

Engine Block, Ford Man O'War, 302 c.i.d., Cast Iron, 302 Mains, 8.2 in. Deck Height, 1-piece Rear Main Style

Part Number: WRL-087010

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

World Products 302 C.I.D. Ford Man O'War Blocks 087020

Engine Block, Ford Man O'War, 302 c.i.d., Cast Iron, 302 Mains, 8.2 in. Deck Height, 1-piece Rear Main Style

Part Number: WRL-087020

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

World Products Man O'War Bare Blocks 087072

Engines, Bare Blocks, Man O'War Bare Block, 351 Cleveland Mains, 9.500 in. Deck Height, 4-bolt Main Style, Ford, 5.0L, 5.8L, Small Block Windsor, Each

Part Number: WRL-087072

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

World Products 351 Ford Man O'War Blocks 087160

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087160

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

World Products Merlin IV Engine Blocks 091100

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.245 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091100

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

World Products Merlin IV Engine Blocks 091101-55

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091101-55

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

World Products Merlin IV Engine Blocks 091107

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.850 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091107

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

World Products Merlin IV Engine Blocks 091107-55

Engine Block, Cast Iron, 4-Bolt Mains, 4.590 in. Bore, 9.850 in. Deck, 55mm Cam Bore, Nodular Iron Main Cap, 2-Piece Rear Seal, Chevy, Big Block, Each

Part Number: WRL-091107-55

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

World Products Engines, Bare Blocks 094120RC-904

CAST IRON BLOCK

Part Number: WRL-094120RC-904

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

Mishimoto Oil Cooler Block-Off Plates MMOCP-MUS8-15

Ford Mustang GT RHD Oil Cooler Block Off Plate, 2015-2023

Part Number: MIO-MMOCPMUS815

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Clevite Engine Parts Cylinder Sleeves 226-4643

CYL SLEEVE ISX

Part Number: CLE-2264643

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

PRW Billet Steel Main Caps 1739001

Main Caps, Billet Steel, 2-Bolt, Big Block FE, V8, 332-428 c.i.d., Ford, Set of 4

Part Number: PQX-1739001

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

PRW Main Girdle Stud Kits 1000207

CHEV 400, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 7/16" -14/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000207

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

PRW Main Girdle Stud Kits 1000213

STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.

Part Number: PQX-1000213

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

PRW Main Cap Stud Kits 1000306

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 4-Bolt Mains, 6.0L, V8, Powerstroke, Diesel, Ford, Kit

Part Number: PQX-1000306

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910515

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Estimated Ship Date: Today

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PRW Power Main Cap Fasteners 1000308

MAIN CAP STUD KIT, FORD Powerstroke, 6.4L, 2008-2010, Custom-4140 Alloy Steel, 200,000 PSI

Part Number: PQX-1000308

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910518

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PRW Main Cap Stud Kits 1000311

Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs for 1989-1998 Dodge Cummins 5.9L 12V

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Cylinder Works Cylinders for 2007-2024 CRF150R, CRF150R EXPERT - 422-10004

STD BORE CYLINDER

Part Number: CLW-10004

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Cylinders for 2013-2015 250 SX-F, 250 XC-F, 2014-2015 FE250 - 422-50004

STD BORE CYLINDER

Part Number: CLW-50004

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Powersports Cylinders 60005

STANDARD BORE CYLINDER

Part Number: CLW-60005

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Powersports Cylinders 60005-K01

STANDARD BORE CYLINDER KIT

Part Number: CLW-60005-K01

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Powersports Cylinders 60005-K02

STANDARD BORE CYLINDER KIT

Part Number: CLW-60005-K02

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Powersports Cylinders CW20015K01

CYLINDER KIT 47.50/STD YAM

Part Number: CLW-CW20015K01

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today