CHEVROLET Chevy small block Gen I Engine Blocks & Accessories

Four Bolt Main Cap Kit

Part Number: PIO-839021

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Four Bolt Main Cap Kit

Part Number: PIO-839023

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Four Bolt Main Cap Kit

Part Number: PIO-839020

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EX.PLUG KIT-BRASS GM V8 454

Part Number: MAH-2199467

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EX.PLUG KIT-BRASS GM V8 350

Part Number: MAH-2199678

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Estimated Ship Date: Tomorrow if ordered today

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LIFTER VALLEY SCREEN KITS

Part Number: STF-67100

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Estimated Ship Date: Nov 14, 2025 if ordered today

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Engine Expansion Plugs, Steel, GM, Kit

Part Number: RNB-02650

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Estimated Ship Date: Tomorrow if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084020

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Main Caps, 3-Center, Billet Steel, Angled Outer Bolts, 4-Bolt, Chevy, 350, Large Journal, Set of 3

Part Number: HRS-H350E

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Expansion Plugs, Steel, Chevrolet, GMC, Kit

Part Number: RNB-02670

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Estimated Ship Date: Tomorrow if ordered today

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Main Stud Kit

Part Number: PIO-855004

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Main Stud Kit

Part Number: PIO-855021

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Main Stud Kit

Part Number: PIO-855003

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Engine Block, Cast Iron, 4-Bolt Mains, 4.117- 4.155 in. Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-12480175

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Main Bolts, Pro Series, 4-Bolt Main, Chevy, 350, with 1/2 in. Straps, Kit

Part Number: ARP-234-5203

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Estimated Ship Date: Nov 21, 2025 if ordered today

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MOTOWN SBC, 9.025" x 4.120" x 400 mains, billet splayed caps - Raised Camshaft - .842" Bushing

Part Number: WRL-084130RC

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Estimated Ship Date: Dec 8, 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: Dec 8, 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: Dec 8, 2025 if ordered today

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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

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engines, Bare Blocks, SBC Motown LS Bare Block, 350 Mains, 9.240 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each

Part Number: WRL-084181

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: WRL-084181-904

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Block, Cast Iron, 4-bolt Mains, 4 in. Diameter Bore, 2-piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31161112

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Engine Block, Cast Iron, 2-Bolt Mains, 3.750 in. Bore, 2-Piece Rear Seal, Chevy, Small Block, Each

Part Number: DRT-31161411

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31122112

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Estimated Ship Date: Jan 5, 2026 if ordered today

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