This has the standard 6 bolt Chevy backing plate for 2 piece rear main seal engine.This is 26 Fine spline. This will probably need new discs but was working fine when cycled out. It has wear on the pressure plate fingers too.
QuarterMaster Pro 3 Disc 5.5" Racing Clutch 26 Spline & Ford Backing Plate QM1
QuarterMaster Pro 3 Disc 7.25" Racing Clutch NASCAR 29 Spline Chevy QM2
QuarterMaster Pro 2 Disc 5.5" Racing Clutch 26 Spline & Chevy Backing Plate
QUARTERMASTER 3 DISC PRO SERIES GEAR DRIVE MINI-CLUTCH,SBC,1 5/32",395-17090
QUARTERMASTER 3 DISC PRO SERIES GEAR DRIVE MINI-CLUTCH,SBC,1 1/8",395-17080
Quartermaster 7 1/4 Super Pro Double Disc Complete With Flywheel 153t 26spl 250