Engine Blocks & Parts

Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit

Part Number: MIL-81216

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, 400 Main, Chevy, Small Block, Set

Part Number: MIL-11180

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Oct 14, 2025 if ordered today

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Expansion Plugs, Steel, Diameter 1.396 in., GM, Each

Part Number: RNB-555-093

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Expansion Plugs, Steel, Diameter 1.662 in., GM, Each

Part Number: RNB-555-110

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Estimated Ship Date: Aug 11, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-40002

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Estimated Ship Date: Aug 12, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-10003

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Estimated Ship Date: Aug 12, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-10006

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Estimated Ship Date: Aug 12, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20001

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Estimated Ship Date: Aug 12, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20003

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Estimated Ship Date: Aug 12, 2025 if ordered today

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STD BORE CYLINDER

Part Number: CLW-20104

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Estimated Ship Date: Aug 12, 2025 if ordered today

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Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350C-1

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Main Cap, SB Chev 350

Part Number: HRS-H350S-1

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Main Cap SB Chev 400

Part Number: HRS-H400-1

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Estimated Ship Date: Sep 11, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2253523040

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Estimated Ship Date: Aug 25, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: MAH-2244051

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Engines, Bare Blocks, SBC Motown Block, 400 Mains, 9.025 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each

Part Number: WRL-084130RC-904

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Estimated Ship Date: Aug 20, 2025 if ordered today

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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

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Estimated Ship Date: Aug 20, 2025 if ordered today

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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

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087150

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Estimated Ship Date: Aug 20, 2025 if ordered today

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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: Aug 20, 2025 if ordered today

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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: Aug 20, 2025 if ordered today

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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: Aug 20, 2025 if ordered today

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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

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.425 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091110

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091111

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Estimated Ship Date: Aug 20, 2025 if ordered today

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