Engine Blocks & Parts

Main Cap Fasteners, 5.2L GT350 and 5.0L Coyote Blocks, Torque-To-Yield Bolts, Set of 30

Part Number: FMS-M-6345-M52

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

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Oil Pan Rail Girdle, Small Block Chevrolet, 1-Piece Rear Main, 1986-up, Each

Part Number: CHP-CP21

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

Main Cap Studs, 8740 Chromoly, Black Oxide, Suzuki, Kit

Part Number: ARP-271-5401

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Main Cap Studs, 8740 Chromoly, Black, Hex Head, Crankcase Housing Position, Sea-Doo, Kit

Part Number: ARP-168-5501

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Main Studs, 2-Bolt, Chrysler 318-360, 383-440 and 331-392 Early Hemi, Kit

Part Number: MIL-81185

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

Main Studs, 4-Bolt Main, Chevy, Diesel, 6.2/6.5L, Kit

Part Number: GFN-MSK6265

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: MIL-81169

Not Yet Reviewed

Estimated Ship Date: Mar 11, 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: Mar 9, 2026 if ordered today

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Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit

Part Number: MIL-81223

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: MIL-81135

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Main Studs, 2-Bolt Main, Cummins, 3.9L, Kit

Part Number: GFN-MSK394BT

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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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: Monday 12/15/2025

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Main Studs, 2-Bolt, Ford, 351C, 351W, Kit

Part Number: MIL-81165

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit

Part Number: MIL-81215

Not Yet Reviewed

Estimated Ship Date: Mar 10, 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: Mar 9, 2026 if ordered today

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Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, L6, Kit

Part Number: MIL-81147

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: MIL-81166

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Estimated Ship Date: Mar 9, 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: Mar 9, 2026 if ordered today

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Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Mopar R3 Small Block LA, Kit

Part Number: MIL-81180

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: MIL-81183

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Main Studs, 2-Bolt, Dodge, Plymouth, 426 Hemi, Kit

Part Number: MIL-81205

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit

Part Number: MIL-81216

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, for use with Windage Tray, Kit

Part Number: MIL-81218

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Estimated Ship Date: Mar 9, 2026 if ordered today

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