Black Oxide, Hex Head, Chevy, Big Block
ARP's rugged, black-oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision-machined for optimum thread engagement and have a wide-area flange for better load distribution. They also feature precision-rolled threads, which prevent galling, while promoting more consistent torque loading. These bolts are available with either hex or 12-point heads, and washers are included.
Thread Size:3/8-16 in.
ARP's rugged, black-oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision-machined for optimum thread engagement and have a wide-area flange for better load distribution. They also feature precision-rolled threads, which prevent galling, while promoting more consistent torque loading. These bolts are available with either hex or 12-point heads, and washers are included.
Thread Size:3/8-16 in.
Washer Included:Yes
Head Style:Hex
Fastener Style:Bolt
Fastener Finish:Black oxide
Fastener Material:Chromoly
Notes:Big block Chevy, underhead length 1.250 in.