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ARP Main Bolt Kit - Geo Storm/Isuzu Impulse/Lotus Elan M100

ARPģ main studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. All kits come complete with 10 hardened parallel-ground washers and 10 aerospace quality nuts. Reduce crankshaft flex and main cap freeting with these premium quality main studs. Donít settle for anything less than the best!

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:
44 ft. lbs.

1.8L DOHC:
Step 1 22 ft. lbs.
Step 2 44 ft. lbs.
Step 3 65 ft. lbs.

The mains are stock because of the rotating assembly that they hold together, you don't want to oval the assembly.

$135 USD

Prices are for lower 48 US only unless otherwise noted.
Please email for International shipping quote.

Geo Storm isuzu impulse performance parts