ARP 135-2001 Chevrolet Big Block 3/8" Intake Bolts

ARP 135-2001 Bolts, Intake Manifold, Chromoly, Black Oxide, Hex Head, Chevy, Big Block, Kit Thread Size: 3/8-16 in. Washer Included: Yes Head Style: Hex Fastener Style: Bolt Fastener Finish: Black oxide Fastener Material: Chromoly Quantity: Sold as a kit. Notes: Big block Chevy, underhead length 1.250 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.