Availability
Main Bearing Cap Bolts
Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Kit
Part Number: MIL-81133
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Main Studs, 4-Bolt Main, Chevy, Big Block, with Milodon Caps, Windage Tray, Kit
Part Number: MIL-81134
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
BB ChevyMerlin with Windage Tray Main Studs
Part Number: MIL-81136
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
BTR 4 TO 6 BOLT CONVERSION FOR DART BLOCKS
Part Number: BTC-BTR426D
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475
Part Number: BTC-BTR45475
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Main Cap Fasteners Brian Tooley Racing Custom Age 625+ LS Main Stud Kit
Part Number: BTC-BTRCA625MSK
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Heavy Duty Main Stud Kit for Dodge (2003-07) 5.9L Common Rail Cummins Diesel w/ Factory Girdle
Part Number: GFN-MSK59CR
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Heavy Duty Main Stud Kit for Ford (1994-03) 7.3L Power Stroke Diesel
Part Number: GFN-MSK73
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Heavy Duty Main Stud Kit for Ford (1994-03) 7.3L Power Stroke Diesel (Girdle Length Studs)
Part Number: GFN-MSK73-G1
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit
Part Number: MIL-81215
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Main Studs, 2-Bolt, Pontiac, 326-455, Kit
Part Number: MIL-81221
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Main Studs, 4-Bolt, Pontiac 389-455, Center Studs, Kit
Part Number: MIL-81222
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, Kit
Part Number: MIL-81138
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit
Part Number: MIL-81139
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 2-Bolt Main, Chevy, Big Block, Kit
Part Number: PQX-1045422
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, Gen V, LT1, Chevy, Kit
Part Number: PQX-1034613
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - CHEVY SB, 2-BOLT, LARGE JOURNAL, HEX
Part Number: TSN-719-131962
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - CHEVY SB, 2-BOLT, SMALL JOURNAL, HEX
Part Number: TSN-719-131963
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - CHEVY SB, 4-BOLT, LARGE JOURNAL, HEX
Part Number: TSN-719-131964
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN BOLT KIT - CHEVY SB, 4-BOLT, LARGE JOURNAL, HEX
Part Number: TSN-719-13264
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - CHEVY BB, 2-BOLT, HEX
Part Number: TSN-722-131942
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - CHEVY BB, 4-BOLT, HEX
Part Number: TSN-722-131944
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN BOLT KIT - CHEVY BB, 2-BOLT, HEX
Part Number: TSN-722-13248
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - SBF 289-302, 2-BOLT, HEX
Part Number: TSN-619-131952
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
PRO SERIES MAIN STUD KIT - FORD 351W, 2-BOLT, HEX
Part Number: TSN-624-131952
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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