These Pro series flywheel bolt kits from ARP give you all that you need to bolt in your flywheel with confidence. Theyre much stronger than OEM hardware, are forged from aerospace alloy, and are heat-treated prior to thread rolling and machining. These bolts feature an exclusive, flat 12-point head design and a 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 fly wheel register
- High Performance series bolts are rated at 180,000 PSI while Pro Series bolt are rated at 200,000 PSI
- Rear Main Seal Style:
- 2-piece
- Thread Size:
- 7/16-20 in.
- Underhead Length (in.):
- 1.000 in.
- Washer Included:
- No
- Head Style:
- 12-point
- Material:
- Chromoly
- Finish:
- Black oxide
- Quantity:
- Sold as a set of 6.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/262-6.6L/400
- Years:
- 1955-1971
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990
- Make:
- Ford
- Engine Family:
- Ford big block 385 Series
- Engine Sizes:
- 7.0L/428-7.5L/460
- Years:
- 1968-1988
- Engine Family:
- Ford big block FE
- Engine Sizes:
- 5.8L/352-7.0L/428
- Years:
- 1957-1976
- Engine Family:
- Ford Boss
- Engine Sizes:
- 5.0L/302
- Years:
- 1969-1970
- Engine Family:
- Ford Cleveland
- Years:
- 1970-1973
- Engine Family:
- Ford Modified
- Years:
- 1971-1981
- Engine Sizes:
- 5.8L/351
- Engine Family:
- Ford small block Windsor
- Engine Sizes:
- 3.6L/221-5.0L/302
- Years:
- 1962-1989
