CHEVROLET Engine Blocks & Accessories

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 3

Part Number: PQX-1745402

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Estimated Ship Date: Mar 17, 2026 if ordered today

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Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 4-Bolt Main, Chevy, Big Block, Kit

Part Number: PQX-1045442

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Estimated Ship Date: Mar 17, 2026 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81135

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit

Part Number: MIL-81137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: 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: Apr 6, 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: Apr 6, 2026 if ordered today

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

Part Number: MIL-81134

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Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

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Main Caps, Merlin III, 3-Center, Angled Outer Bolts, 4-Bolt, Chevrolet, Big Block, Each

Part Number: WRL-703370C

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Estimated Ship Date: Feb 13, 2026 if ordered today

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