Advance Adapters GM V8 Bellhousing for GM NV4550 - 712576 - ADV712576
; California Residents: WARNING GM bellhousing for 1996-up GM with NV4550 with 5.125 index diameter. Bellhousing has stock GM bolt pattern and is 6 and 5/16 deep. Kit includes- one adapter bellhousing, one dust cover plate, one modified bearing retainer, one special pilot bearing, one clutch release arm, one ball pivot (installed), one clutch arm boot, and additional mounting hardware. Also includes instructions.