ARP 330-0709 Front Mandrel Bolt Kit GM 7/16˝ ymm_49 380˝ 6) Socket Size 1/2

380˝ 6) Socket Size 1/2 12pt 7) Collar Dia

when installed with an Akrapovič Slip-On Line (Titanium) and tested on the Akrapovič dyno against a Corvette Stingray with a stock sport exhaust system

900˝ Adjuster Thread Length 1

the diffuser has titanium plates on both sides

Estate 1970-1981

ARP 330-0709 Front Mandrel Bolt Kit GM 7/16˝ ymm_49 380˝ 6) Socket Size 1/2Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. The specially alloyed ARP 300 stainless steel and heat treated 8740 chrome moly bolts (black oxide finish) are nominally rated at 180, 000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. Whats more, you cant beat the gorgeous looks of ARPs specially polished stainless steel