They are available in hex or 12-point studs, so you can choose what's best for your style of pinion support. ARP 250-3021 9in Pinion Support Stud Kit 6pt. ARP Bolts 100-1202 Big Block For Chevy & Ford 3/8" 12pt header bolt kit.
ARP 400-2408 Stainless Carb Stud Kit 1 1/4" SPACER 5/16" x 3.200" Long Set Of 4
ARP 400-2402 Stainless Carb Stud Kit 1" SPACER 5/16" x 1.700" Long Set Of 4
ARP 400-2403 Stainless Carb Stud Kit 1/2" SPACER 5/16" x 2.225" Long Set Of 4
ARP 400-1501 Stainless Timing Cover Bolts Chevy Sbc Bbc 12-Point chevy
ARP 611-1250 Stainless Steel Bolt Kit - 12pt. (5) 1/4-20 x 1.250
Arp 613-1250 Stainless Steel 3/8-16 12-Point Bolts - Pack Of 5
