ARP Flexplate Bolt Kit GM 6.6L Duramax Diesel Neck Braces & Supports Precision-machined to tight tolerances

Precision-machined to tight tolerances

With the increasing use of long water pumps on modified vehicles these are very popular

1978-1984 Oldsmobile Cutlass Calais

Shoulders are 2" width to accommodate a HANS or other Head & Neck Restraint Device and adjust from 26" to 62" in length

and the tether bolts come with thread locker pre-installed

ARP Flexplate Bolt Kit GM 6.6L Duramax Diesel Neck Braces & Supports Precision-machined to tight tolerancesARP 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