Main Studs

OptiTorque 10679 Engine Block - Ford BB - 390 - 428 - Patriot Main Stud Kit - 2 Bolt (No Modification Required)

OptiTorque 10672 Engine Block - Ford - 351 Windsor - Patriot Main Stud Kit - 2 Bolt

OptiTorque 10671 Engine Block - Ford - 351 Cleveland - Patriot Main Stud Kit - 2 Bolt

OptiTorque 10665 Engine Block - Ford - 289 - 302 - Patriot Main Stud Kit - 2 Bolt

OptiTorque 10794 Engine Block - Duramax - LB7/ LLY - TorqueMaster Main Stud Kit 01-05

OptiTorque 10636 Engine Block - Chrysler - 318 - 440 Wedge - Patriot Main Stud Kit (12 pt.)

OptiTorque 10414 Engine Block - Chrysler - 5.7L - 6.4L Hemi - Gen III - Patriot Main Stud Kit

OptiTorque 10606 Engine Block - Chevrolet LT1 - 6.2L - Patriot Main Stud Kit

OptiTorque 10600 Engine Block - Chevrolet LS - Patriot Main Stud Kit - Dart

OptiTorque 10593 Engine Block - Chevrolet LS - Gen III LS - Patriot Main Stud Kit

OptiTorque 10546 Engine Block - BBC - Patriot Main Stud Kit - Dart - Big M Splayed Cap Bolts

OptiTorque 10533 Engine Block - BBC - 396-454 - Patriot Main Stud Kit - 2 Bolt w/ Windage Tray

OptiTorque 10531 Engine Block - BBC - Patriot Main Stud Kit - Dart - Big M Splay Outer Studs

OptiTorque 10529 Engine Block - BBC - 396-454 - Patriot Main Stud Kit - 4 Bolt

OptiTorque 10525 Engine Block - BBC - 396-454 - Patriot Main Stud Kit - 2 Bolt

OptiTorque 10435 Engine Block - BMW - 2.0L - 3.2L - TorqueMaster Main Stud Kit - M50-52, S50/S52 *(us models only w/ shallow thread)

OptiTorque 10433 Engine Block - BMW - 1.6L - 2.0L - Patriot Main Stud Kit - N Series

ARP 247-5405 Dodge Cummins 6.7L 2-Bolt Main Stud Kit, w/ Factory Girdle

ARP 247-5403 Dodge Cummins 5.9L/6.7L 24V W-Girdle Main Stud Kit, 2004+

ARP 247-5402 Dodge Cummins 5.9L 12V 2-Bolt Main Stud Kit

ARP 247-5401 Dodge Cummins 5.9L 24V 2-Bolt Main Stud Kit, Late 1997-2006

ARP 235-5606 Big Block Chevy Mark V 502 Main Stud Kit, Windage Tray Compatible

ARP 235-5602 Big Block Chevy 502 4-Bolt Main Stud Kit