1200 Series Triple Valve Springs

The PAC Racing Springs 1200 Series drag race valve springs are engineered to elevate your engine's performance, making them an ideal choice for camshaft upgrades or complete engine rebuilds. Constructed from a premium alloy that surpasses automotive industry standards, these springs undergo aerospace shot-peening for exceptional fatigue resistance and consistent load-bearing capabilities under demanding conditions. This set contains 16 triple valve springs, featuring a standard style and a maximum valve lift of 1.000 inches. The design includes an outer spring with an outside diameter of 1.645 inches and an inside diameter of 1.195 inches, complemented by an inner spring with an inside diameter of 0.635 inches. The coil bind height is specified at 1.130 inches, and the spring rate is 689 lbs/in. Notably, retainers, damper springs, locks, and valve stem seals are not included with this set. These valve springs are built for demanding applications, ensuring they provide the necessary valve control for peak engine operation. Their robust construction and material processing contribute to their durability and reliability in high-performance environments.