Flexplate bolt kits are manufactured from a custom grade 4135 alloy steel which is rated at 190,000 psi making these suitable for most high-performance applications. Bolts feature a 12-point head for increased contact points for better torquing capabilities and to resist stripping.
Proposition 65 Warning:
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
- Rear Main Seal Style:
- 2-piece
- Thread Size:
- 7/16-20 in.
- Head Style:
- 12-point
- Underhead Length (in.):
- 1.000 in.
- Washers Included:
- No
- Material:
- Steel
- Finish:
- Black oxide
- Fastener Tensile Strength (psi):
- N/A
- Quantity:
- Sold as a set of 6.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Engine Sizes:
- 7.4L/454
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/265-6.6L/400
- Years:
- 1955-2000
