These Pro series ring gear bolt kits by ARP are forged from premium-grade 8740 chromemoly steel and heat-treated to a rating of 190,000 psi. Specially hardened, precision-ground washers are also included when required.
Love the custom tuned X3! Thanks Brenspeed!
P. Seabrink
My 2011 GT Now Screams with your tune!
K. Fidenza