ATI PERFORMANCE SUPER DAMPER Harmonic Damper [OUTER DIAMETER 6.73" (10% UD) | WEIGHT 4.5 LBS | SHELL MATERIAL ALUM | RIBS 8 | 4 RIB REAR PULLEY | HUB MATERIAL STEEL] (GM LS7 & LS3)

LS7
LS3 W/DRY SUMP

[2] All hubs have 3/16 key @ std SB 10° location. Please note: 8 groove & 10 groove shell assemblies are available for supercharger applications. Consult your ATI salesman. #917017 (7 1/2" diameter, 8 groove, steel) #917075 (6 3/4" diameter, 8 groove, aluminum)
[11] Non-removable A/C pulley - OEM diameter.
[13] 2010 LS3 Corvette Grand Sport coupes w/Manual Transmissions come equipped with a Dry Sump system, so an LS7 style damper is required.
[16] Non-removable AC-pulley - OEM Diameter