1968 CHEVROLET Engine Blocks & Accessories

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

Part Number: ARP-135-5601

5.0 out of 5 stars ( 8 )

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Main Studs, 4-Bolt Main, For Windage Trays, Chevy, Big Block, Kit

Part Number: ARP-235-5701

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

Part Number: ARP-234-5610

3.8 out of 5 stars ( 5 )

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Main Studs, 2-Bolt Main, Large Journal, Chevy, Small Block, with Windage Tray, Kit

Part Number: ARP-234-5501

5.0 out of 5 stars ( 4 )

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Main Bolts, Pro Series, 12-Point, 4-Bolt Main, Chevy 1967-2002, 350, Kit

Part Number: ARP-234-5201

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

Part Number: ARP-234-5601

5.0 out of 5 stars ( 4 )

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Main Studs, 2-Bolt Main, For Windage Trays, Chevy, Big Block, Kit

Part Number: ARP-235-5502

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Main Caps, Billet Steel, Chevy 305/350, 1967-1986, 4 Bolt Replacement Style, Sold as a Set of 3

Part Number: PQX-1735001

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

Part Number: PQX-1735003

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Main Cap Girdle, 2-Piece Rear Seal, 1045 Billet Steel, with PRW Steel Studs, Spacers, and Nuts, Chevy, 5.7L/350 Only, Each

Part Number: PQX-9035000

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

Part Number: PQX-1745402

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Main Caps, Billet Steel, 4-Bolt, Angled, Chevy, Small Block, Set of 3

Part Number: PQX-1735002

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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: Jun 19, 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: Jul 14, 2026 if ordered today

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Main Studs, 2-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81126

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 14, 2026 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: Jul 14, 2026 if ordered today

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Main Studs, 4-Bolt Main, Chevy Small Block, Large Journal, with Straps & Splayed Caps, Kit

Part Number: ARP-234-5604

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

Part Number: MIL-81137

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

Part Number: MIL-81128

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Estimated Ship Date: Jul 14, 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: Jul 14, 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: Jul 14, 2026 if ordered today

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

Part Number: MIL-81129

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Estimated Ship Date: Jul 14, 2026 if ordered today

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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: Jul 14, 2026 if ordered today

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

Part Number: MIL-81130

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Estimated Ship Date: Jul 14, 2026 if ordered today

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Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit

Part Number: MIL-81117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 14, 2026 if ordered today

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