Availability
Main Studs, 2-Bolt, Chrysler 318-360, 383-440 and 331-392 Early Hemi, Kit
Part Number: MIL-81185
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 4-Bolt Main, Chevy, Diesel, 6.2/6.5L, Kit
Part Number: GFN-MSK6265
Estimated Ship Date: Jan 7, 2026 if ordered today
Estimated Ship Date: Jan 7, 2026 if ordered today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Large Journal, 4-Bolt Main, Chevy, Small Block, Kit
Part Number: PQX-1035042
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 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
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
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Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow Main Cap Girdle,
Part Number: TFS-53400700-HK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
FORD 302 Main Girdle Stud Kit, 4135 ChromolyPRW Steel Studs, Includes 10ea 1/2" Longer Studs, 7/16"-14/20 x 4.80" Studs, Nuts & Washers.
Part Number: PQX-1000202
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 24V, L6, Cummins, Diesel, Dodge, Kit
Part Number: PQX-1000313
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
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Main Bolts, OE Replacement, GM, Set of 10
Part Number: RNB-45691
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Main Bolt Kit
Part Number: PIO-855200
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit
Part Number: MIL-81135
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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Main Studs, 2-Bolt, Pontiac 326-455, with Windage Tray, Kit
Part Number: MIL-81223
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Main Bolts, 4-Bolt Main, Merlin IV, Nodular Iron Main Caps, Chevy, Big Block, Kit
Part Number: WRL-701413
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Main Studs, 2-Bolt, Ford, 351C, with Windage Tray, Kit
Part Number: MIL-81168
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Main Bolt Kit
Part Number: PIO-855201
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
OLDS 350-403, Stud Kit, Main Girdle, Includes 8ea, 1/2" Longer Studs, 7/16"-14/20 x 4.50" Studs, PRW Fasteners & Hardware.
Part Number: PQX-1000211
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each
Part Number: ADO-12561388
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft Main Bearing Cap Nut
Part Number: CWA-J0638513
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Main Studs, 2-Bolt Main, Cummins, 3.9L, Kit
Part Number: GFN-MSK394BT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt, Ford, 351C, 351W, Kit
Part Number: MIL-81165
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, Straight 4-Bolt Main, Chevy, Big Block, Kit
Part Number: MIL-81137
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bolts, High Performance Series, 4-bolt Main, Hex, Designed To Fit World Motown Cast Iron Engine Blocks, Kit
Part Number: ARP-134-5203
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.
Part Number: PQX-1000213
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit
Part Number: PQX-1000321
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
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Main Studs, 4-Bolt Main, Merlin IV, Billet Main Caps, Chevy, Big Block, Kit
Part Number: WRL-701416
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
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