ARP Flexplate Bolt Kit GM 6.6L Duramax Diesel 192 7/16 in Bolt

7/16 in Bolt

Proform (and possibly other) electric water pumps

Small unit accepts 2" belts only

1-1/4 in Hose Barb

1978-1986 Oldsmobile Cutlass

ARP Flexplate Bolt Kit GM 6.6L Duramax Diesel 192 7/16 in BoltARP Flywheel and Flexplate Bolts are forged from aerospace alloy and heat treated prior to thread rolling and machining. An exclusive 12 point head design, and larger than stock shank diameter offer improved register of crank to flywheel flexplate. High Performance Series rated at 170, 000 psi tensile strength and Pro Series are rated at 190, 000 psi tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include