ARP offers two styles of Flexplate bolts: premium grade Pro Series rated at 190,000 psi and High Performance Series that are rated at 180,000 psi. Both feature an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength and improved flywheel register.
Features
- Far surperior to OEM hardware
- Forged from aerospace alloy
- Flat 12 point head design
- Larger than stock shank diameter for increased strength & improved flexplate register
- High Performance series bolts are rated at 180,000 PSI while Pro Series bolt are rated at 200,000 PSI
- Thread Size:
- 1/2-20 in.
- Head Style:
- 12-point
- Underhead Length (in.):
- 0.675 in.
- Washers Included:
- No
- Material:
- Steel
- Finish:
- Black oxide
- Fastener Tensile Strength (psi):
- 200,000 psi
- Quantity:
- Sold as a set of 6.
- Make:
- Pontiac
- Engine Family:
- Pontiac V8
- Engine Sizes:
- 5.3L/326-7.5L/455
- Years:
- 1959-1979
