ATI Super Damper Crank Pulley for 4B11 Evo X VENDOR20 The raw aluminum can be

The raw aluminum can be polished

Built shortblock with the entire rotating assembly installed

(2) 90° -10AN Female to Male Swivel Adapter

Ring Set# 86

ATI Super Damper Crank Pulley for 4B11 Evo X VENDOR20 The raw aluminum can beThe ATI Super Damper for Evo X is available in two versions. The "Street" version offers a 3% under drive for improved dampening and increased power and is a direct OEM replacement. The "Race" version offers a larger diameter and no belt drives. Unlike unbalanced underdrive pulleys, which offer no protection to high performance engines, the ATI Super Damper provides balanced dampening of torsional crankshaft vibrations. The 3 external bolts allow for