$388.00
Toyota GR Yaris and GR Corolla Head Stud Upgrade
GRP Engineering Head Studs are made right here in Australia from AISI H-13 Tool steel and once machined all studs are heat treated to 38-42 Rockwell C scale.
Kit includes
4 x M11 GRP Engineering H-13 Studs, 4 x ARP M11 Nuts and 4 x ARP M11 Washers Torqued to 80ft/lbs
4 x M12 GRP Engineering H-13 Studs, 4 x ARP M12 Nuts and 4 x ARP M12 Washers Torqued to 90ft/lbs
ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.
