The ATI 7.425-inch steel lightweight damper is made for LS1/LS2 engines in F- and V-body GM platforms and features both eight- and four-groove crank faces with a three-ring damping design. Its steel shell delivers tuned mass for harmonic control while matching accessory drive groove counts, offering a direct-fit, durable crank control option for period-correct LS installations.
ATI Damper - 7.425in - Steel LW - 8 & 4 Grv - LS1/LS2 - F & V Body - 3 Ring