ARP® Rod Bolts are made of premium grade 8740 chrome moly steel and heat treated to a nominal tensile strength of 200,000 psi. Threads are rolled after heat treat to ensure optimum fatigue strength. They are far superior to OEM fasteners in terms of durability and service life—fully capable of handling the extra stress of high combustion pressure engines. Fits the following: 1990-93 Geo Storm GSi DOHC 1989 Isuzu I-Mark RS (1.6L DOHC) 1990-93 Isuzu Impulse XS and RS 1990-93 Isuzu Stylus XS, and RS 1993 Asuna Sunfire 1991-1993 Lotus Elan M100 (Turbo) 1991-1993 Lotus Elan SE (N/A) Torque Specifications: 1.6L 1990 SOHC/DOHC 36 ft. lbs. 1.6L 1991+ SOHC/DOHC: Step 1 11 ft. lbs. Step 2 Tighten bolts an additional 45 to 60 degrees 1.8L DOHC: Step 1 18 ft. lbs. Step 2 Tighten bolts an additional 100 degrees The Rod bolts are stock because of the rotating assembly that they hold together, you don't want to oval the assembly. 5lbs. |