Black oxide chrome moly, 12-point head. Each ARP intake manifold bolt kit is a must have for cinching your intake manifold in place. Features include a generously flanged 3/8'' bolt head for even loading, and a precision-ground, hardened washer to prevent galling and promote accurate torque readings. 170,000 PSI.
Engineered for your special application, ARP pressure plate bolt kits are the finest available and feature a large diameter, low profile head. Includes hardened washers. ARP High Performance Series bolts are made from a premium grade chrome moly and hardened to a nominal tensile strength of 180,000 psi. The Pro Series bolts, originally developed for NASCAR competition, are stronger and rated at 200,000 psi. 6/pkg.
Big Block Chevy Intake Manifold Stainless Steel Allen Bolt Kit
We offer a full selection of intake manifold bolt kits to fit most popular
marine engines. These kits come complete with the correct number of bolts and
stainless steel washers. Don't install your new intake manifold with anything
less.
These bolts are 1-1/4" long