Ring Gear Bolt Kit by ARP ARP Pro series ring gear bolts are forged from premium-grade 8740 chromoly steel and heat-treated to a rating of 200,000 psi. Specially hardened, precision-ground washers are also included, where required. Features Head Style: 12-point Thread Size: M9 x 1.0 Underhead Length (in.): 1.100 in. Fastener Tensile Strength (psi): 200,000 psi Washer Included: Yes Fastener Material: Chromoly Fastener Finish: Black oxide Benefits Forged from premium-grade 8740 chromoly steel Heat-treated to a rating of 200,000 psi Applications 2001 – 2004 Volkswagen Beetle 2002 – 2005 Volkswagen Golf GTI 2002 – 2005 Volkswagen Jetta What\’s In The Box? 12 – Bolts Warranty Manufacturers Standard Warranty