Engine Blocks & Accessories

Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81131

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit

Part Number: MIL-81133

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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BB ChevyMerlin with Windage Tray Main Studs

Part Number: MIL-81136

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit

Part Number: MIL-81139

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Main Cap Fasteners, Milodon Straight Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Chevrolet, Big Block, Kit

Part Number: MIL-81140

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Main Cap Fasteners, Two Bolt Caps with Windage Tray, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit

Part Number: MIL-81146

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Engine Oil Sump Plate 1997-2008 Porsche 911 99-08, Boxster 97-08, Cayman 06-08, Engine Oil Sump Plate

Part Number: URO-015586

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Estimated Ship Date: Nov 25, 2025 if ordered today

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CANNONDALE ENGINE CASE BOLTS

Part Number: STG-2001

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Estimated Ship Date: Nov 12, 2025 if ordered today

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BTR STOCK REPLACEMENT LS MAIN BOLT KIT

Part Number: BTC-S0548

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Estimated Ship Date: Nov 10, 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: Dec 18, 2025 if ordered today

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Rebore Kit

Part Number: MAH-0024702-AM

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Rear Main Seal Retainer

Part Number: RNB-635-450

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Estimated Ship Date: Nov 17, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2252513020

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Estimated Ship Date: Dec 10, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2252738020

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Estimated Ship Date: Dec 10, 2025 if ordered today

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CYL SLEEVE ASSEMBLY

Part Number: CLE-2262093

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Estimated Ship Date: Dec 10, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners

Part Number: PQX-9030201

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Estimated Ship Date: Dec 9, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, FORD 351W, Does Not incl Studs or Fasteners

Part Number: PQX-9035101

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Estimated Ship Date: Dec 9, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, CHEV 400, Does Not incl Studs or Fasteners

Part Number: PQX-9040001

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Estimated Ship Date: Dec 9, 2025 if ordered today

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MAIN GIRDLE, BILLET STEEL, FORD 390FE/448 Stroker, incl PRW fasteners & hardware

Part Number: PQX-9044800

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Estimated Ship Date: Dec 9, 2025 if ordered today

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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

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Estimated Ship Date: Dec 9, 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: Dec 9, 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: Dec 9, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855005

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855020

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Estimated Ship Date: Nov 13, 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: Dec 18, 2025 if ordered today

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