AMS RACING Promo Codes & Coupons September 2026 — Up to 20% Off

AMS RACING was founded in 1965, as a machinery workshop, engine manufacturing, and performance parts warehouse. Located on Highway I-20 in Portia, Louisiana, they strive to provide customers with the best products and services. AMS RACING's ARP's rugged black oxide coated chromium alloy intake manifold bolts have a rated pressure of 170000 psi. They are precision machined for optimal thread engagement and have a wide area flange for better load distribution. They also have precision rolled threads to prevent wear while promoting more consistent torque loading. These bolts can be used with hexagonal heads or 12 nods, including washers. These ARP high performance series head bolt kits are very strong! Their rated pressure of 170000 psi-- is 15 per cent stronger than that of stage 8 fasteners. They provide hexagonal heads or reduce wrenches by 12 nods, eliminating the need to remove the valve system when re-torque the cylinder head.