CHEVROLET Engine Blocks & Accessories

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each

Part Number: RHS-54901U

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Estimated Ship Date: Sep 8, 2025 if ordered today

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

Part Number: MIL-11165

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Estimated Ship Date: Oct 1, 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 1, 2025 if ordered today

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AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, Big Block, Kit

Part Number: PGP-PRP-6860

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Estimated Ship Date: Jul 28, 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: Aug 27, 2025 if ordered today

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Sleeve Assembly Ring Set - Buick 301,350L Eng. (77-79), Checker 327,350 Eng. (69-79), Chev.

Part Number: MAH-S50564CP

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, Kit

Part Number: MIL-81115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 2, 2025 if ordered today

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Main Studs, 2-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81138

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Estimated Ship Date: Oct 1, 2025 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

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Estimated Ship Date: Aug 12, 2025 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

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Estimated Ship Date: Aug 12, 2025 if ordered today

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LIFTER VALLEY SCREEN KITS

Part Number: STF-67100

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Estimated Ship Date: Jul 8, 2025 if ordered today

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Engine Hardware Kits

Part Number: DUR-FKC-7

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855002

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Main Stud Kit

Part Number: PIO-855003

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Main Cap, Rear, Merlin II, 4-Bolt, 400 Mains, Billet Steel, Chevrolet, Small Block, Each

Part Number: WRL-703355R

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Pro-Lok Hose, Chevy, LS, Kit

Part Number: WRL-703849-K

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-703850-K

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Bare Block, 8.1L Vortec, 10.245 in. Deck Height, 4.245 in. Bore, Standard Cam, Nodular Iron Caps, Direct Stock OEM Replacement, Each

Part Number: WRL-018100

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Estimated Ship Date: Jul 23, 2025 if ordered today

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

Part Number: WRL-084080-904

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.120 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084081-904

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Engine Block, Cast Iron, Billet Main Caps, 3.995 in. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084110

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Engines, Bare Blocks, SBC Motown Block, 350 Mains, 9.025 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each

Part Number: WRL-084120RC

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Estimated Ship Date: Jul 23, 2025 if ordered today

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Engine Block, Cast Iron, 350 Mains, Billet Main Caps, 4.120 in. Bore, Raised Cam, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084125RC

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Estimated Ship Date: Jul 23, 2025 if ordered today

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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

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Estimated Ship Date: Jul 23, 2025 if ordered today

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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

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Estimated Ship Date: Jul 23, 2025 if ordered today

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