373 lb/in Spring Set

The Comp Cams 981-16 is a set of 16 single outer valve springs designed to meet and exceed the expectations of engine builders and racers seeking high performance and reliability. Key specifications for these springs include a 373 lb/in spring rate, a 1.150-inch coil bind height, and a 1.254-inch outer diameter. They offer a seat pressure of 105 lbs at 1.700 inches and an open pressure of 273 lbs at 1.250 inches. The design accommodates approximately .490 inches of maximum valve lift at the recommended installed height of 1.700 inches. The springs also feature a damper and have an inner diameter of .880 inches. COMP Cams emphasizes that true performance is defined by results on the race track. Their commitment to technological development and extensive work with race teams ensures that their products, including these valve springs, provide unmatched performance and reliability. The brand has a proven track record, having produced more champions than any other camshaft manufacturer.