Engine Blocks & Parts

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 15, 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 15, 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 15, 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 15, 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 15, 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 15, 2026 if ordered today

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Main Studs, 2-Bolt, Ford, 351C, with Windage Tray, Kit

Part Number: MIL-81168

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Main Studs, 4-Bolt, Ford, 351C, with Milodon Caps, Windage Tray, Kit

Part Number: MIL-81170

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit

Part Number: MIL-81222

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Engine Expansion Plugs

Part Number: NAL-10241154

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Estimated Ship Date: Feb 16, 2026 if ordered today

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REAR MAIN SEAL HOUSING

Part Number: NAL-12705665

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Expansion Plug Quick Seal Copper - 1-1/2 In., Maximum Expansion 1.53 In.

Part Number: RNB-568-009

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Oil Cooler Block-Off Plate, Aluminum, Black Anodized, Chevy, LS, Each

Part Number: PGP-PRP-4525

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Estimated Ship Date: Nov 11, 2025 if ordered today

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

Part Number: PGP-PRP-6850

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Estimated Ship Date: Nov 11, 2025 if ordered today

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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

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: PQX-1000213

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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: Dec 1, 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 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: Dec 1, 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 1, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: MAH-2244051

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CYLINDER SLEEVE 4.125" X 9.75

Part Number: EDL-549104-1

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Estimated Ship Date: Nov 17, 2025 if ordered today

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CYLINDER SLEEVE, 4.125 x 9.240(OUTER RIGHT),CYL. # 2 & 7

Part Number: EDL-549111-1

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Estimated Ship Date: Nov 17, 2025 if ordered today

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CYLINDER SLEEVE, 4.125 X 9.750 (OUTER LEFT), CYL. # 1 & 8

Part Number: EDL-549113-1

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Estimated Ship Date: Nov 17, 2025 if ordered today

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