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.
- Thread Size:
- M11 x 1.5
- Underhead Length (in.):
- 0.880 in.
- Head Style:
- 12-point
- Rear Main Seal Style:
- 1-piece
- Material:
- Steel
- Finish:
- Black oxide
- Fastener Tensile Strength (psi):
- 200,000 psi
- Washers Included:
- No
- Quantity:
- Sold as a set of 6.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-6.0L/364
- Years:
- 1999-2009
- Transmission:
- Automatic
