Main Studs

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 Engine Block - Main Stud Kit Dodge 6.7 Cummins w/Factory Girdle

ARP 247-5403 Engine Block - DODGE/CUMMINS 5.9L/6.7L24V DIESEL W-GIRDLE (2004 & LATER) MAIN STUD KIT

ARP 247-5402 Engine Block - Dodge 5.9L 12V Cummins main stud kit

ARP 247-5401 Engine Block - Dodge 5.9L 24V Cummins Late '97 -'06 2-bolt main stud kit

ARP 235-5606 Engine Block - BB Chevy Mark V 502 w/windage tray main stud kit

ARP 235-5602 Engine Block - BB Chevy 502 4 bolt main stud kit

ARP 218-5402 Engine Block - Mazda '03 2.3L DOHC 16V main stud kit

ARP 256-5701 Engine Block - Ford Modular 4-bolt w/windage tray main stud kit

ARP 255-5502 Engine Block - Ford 460c.i.d. 385-series 2-bolt main stud kit

ARP 254-5601 Engine Block - Ford 302 R block 1/2" studs main stud kit

ARP 254-5501 Engine Block - Ford 289-302 w/windage tray main stud kit

ARP 250-5802 Engine Block - Main Stud Kit Ford 6.7L Diesel

ARP 250-5801 Engine Block - Ford 7.3L Power Stroke diesel '93-'02 main stud kit

ARP 233-5602 Engine Block - Chevy V6 90˚ main stud kit

ARP 230-5402 Engine Block - Chevy Duramax diesel '06 & later LBZ/LMM main stud kit

ARP 230-5401 Engine Block - Chevy Duramax diesel '05 & earlier LB7/LLY main stud kit

ARP 235-5702 Engine Block - BB Chevy Mark IV Bowtie w/windage tray main stud kit

ARP 235-5701 Engine Block - BB Chevy 4-bolt main stud kit

ARP 235-5603 Engine Block - BB Chevy Dart Big "M" "all studs" main stud kit

ARP 235-5502 Engine Block - BB Chevy 2-bolt main stud kit