To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today.
Now you can help prevent intake manifold leaks with ARP's quality fasteners. These compact 12-point style bolts are manufactured from chrome moly steel with a black oxide finish, and are rated at 170,000 psi. They are precision machined with rolled threads, for optimum thread engagement and to prevent galling, while promoting more consistent torque loading. The wide underhead flange and companion washers provide even load distribution, facilitating optimum sealing of gasket surfaces. This kit is specially designed for select Chevrolet applications (Big Block, 396-454 cid, 1.250" under head length).
Features
- Facilitates optimum sealing of gasket surfaces to prevent intake manifold leaks
- Manufactured from chrome moly steel with a black oxide finish
- Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
- Precision rolled threads prevent galling while promoting more consistent torque loading
- Heads are compact 12-point style, and washers are included
- Thread Size:
- 3/8-16 in.
- Head Style:
- 12-point
- Style:
- Bolt
- Material:
- Chromoly
- Finish:
- Black oxide
- Washer Included:
- Yes
- Quantity:
- Sold as a kit.
- Notes:
- Big block Chevrolet, underhead length 1.250 in.
- 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
