QA1 High Travel Coil-Over Spring - 2.5 in ID - 14 in Length - 225 lb/in Spring Rate - Silver Powder Coat H762427L Black Paint / Black

Black Paint / Black

92 in Extended

5" Hg / #HLY125-50 - Opening Vacuum 5

minor surface imperfections while minimizing relaxation and maintaining adequate clamping force over long time periods

This PQ Series next generation exhaust valve material will progressively replace Competition Plus Series valves as applications evolve and the material becomes necessary

QA1 High Travel Coil-Over Spring - 2.5 in ID - 14 in Length - 225 lb/in Spring Rate - Silver Powder Coat H762427L Black Paint / BlackPowder Coated, Chrome Appearing Silicon Manganese SteelAll QA1 springs are manufactured using the highest quality chrome silicone. This material offers high strength, consistency and longer life. Cold Wound Heat Treated Shot PeenedAll QA1 springs go through intensive manufacturing processes to ensure consistency, accuracy and durability. Squared EndsAll QA1 springs are ground at both ends to ensure straight, consistent and accurate operation.