Availability
Engine Blocks & Parts
Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit
Part Number: MIL-81117
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt, Cadillac, 472, 500, Kit
Part Number: MIL-81229
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit
Part Number: MIL-81133
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Ford, 302 Windsor, Kit
Part Number: MIL-81155
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit
Part Number: MIL-81137
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit
Part Number: MIL-81223
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, L6, Kit
Part Number: MIL-81147
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 2-Bolt, Ford, 351C, 351W, Kit
Part Number: MIL-81165
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81131
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Kit
Part Number: MIL-81130
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 4-Bolt Main, Chevy, Large Journal, Small Block, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81129
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 2-Bolt, Ford, 351W, with Windage Tray, Kit
Part Number: MIL-81166
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit
Part Number: MIL-81216
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit
Part Number: MIL-81215
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, for use with Windage Tray, Kit
Part Number: MIL-81218
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, Kit
Part Number: MIL-81138
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit
Part Number: MIL-81145
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Main Studs, 2-Bolt, Pontiac, 326-455, Kit
Part Number: MIL-81221
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt Main, Used with Windage Tray, Ford, 429, 460, Kit
Part Number: ARP-255-5502
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Main Studs, 4-Bolt Main, Dart Big M Block, Chevy, 454, Kit
Part Number: ARP-235-5601
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
NUT MAIN CAP 12PT FOR RHS BLO
Part Number: EDL-549303-1
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
STUD MAIN CAP LONG FOR RHS BL
Part Number: EDL-549300-1
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
STUD MAIN CAP SHORT FOR RHS B
Part Number: EDL-549301-1
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
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