Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer - 6.750 in OD - Black - Internal Balance - Small Block Chevy 565-306K 3/8" Stud Diameter for Oldsmobile the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

3/8" Stud Diameter for Oldsmobile 455c

leak-resistant seal on racing and special performance engines and are intended for use by the professional race engine builder or the serious amateur enthusiast who will settle for nothing less than the best

3 in Body Lift

Universal Trim to Fit

1-1/2 in Breather Tube to 12 AN Male

Professional Products PowerForce Plus SFI 18.1 Harmonic Balancer 6.750 in OD Black Internal Balance Small Block Chevy 565 306K 3 8" Stud Diameter for Oldsmobile the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) 3 8" Stud Diameter for Oldsmobile 455c leak resistant seal on racing and special performance engines and are intended for use by the professional race engine builder or the serious amateur enthusiast who will settle for nothing less than the best