The ATI 7.074-inch damper in aluminum is specified for Chevy small-block and 90° V6 front applications and lists compatibility with Pontiac 4-cylinder spacing in a 3-ring layout. This front C-bore damper matches the stated diameter and ring count for engines requiring that mixed application spacing. It provides a direct-fit option for rebuilds and crank assemblies where those specific snout and ring dimensions are necessary.
ATI Damper - 7.074in - Alum - Chevy SB / 90 Deg V6 - Pont 4 Cyl - 3 Ring