ARP 4942001 Stainless 300 Hex Intake Manifold Bolt Kit

Facilitates optimum sealing of gasket surfaces to prevent intake manifold leaks

Manufactured from Stainless 300 steel, a proprietary alloy that is impervious to rust and corrosion

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 conventional hex style, and washers are included