ARP 12-Point Head Stainless 3/8".-16 RH Thread .500". UHL, Set of 5 # 613-0500 Cylinder Head The manifolds use smooth-transition

The manifolds use smooth-transition

inconsistent fuel pressure is hard on your engine

Kits come complete with hardened parallel-ground washers and high-quality nuts

Valve covers

Black Painted Finish

ARP 12-Point Head Stainless 3/8".-16 RH Thread .500". UHL, Set of 5 # 613-0500 Cylinder Head The manifolds use smooth-transitionARP 12 Point Head Stainless 3 8". 16 RH Thread . 500". UHL, Set of 5 # 613 0500 Bolts, 12 Point Head, Stainless 300, Polished, 3 8 in. 16 RH Thread, . 500 in. UHL, Set of 5 Fastener Size: 3 8 16 in. RH Underhead Length (in): 0. 500 in. Fastener Head Style: 12 point Fastener Material: Stainless steel Fastener Finish: Polished Fastener Grade: ARP Stainless 300 Fastener Yield Strength (psi): 180,000 psi Wrench Diameter: 3 8 in. Washers Included: Yes