QA1 High Travel Coil-Over Spring - 2.5 in ID - 14 in Length - 225 lb/in Spring Rate - Silver Powder Coat Centerlink Multiple spring rate options are

Multiple spring rate options are also available

High-quality T-304 austenitic stainless steel will never rust

Industrial and Automotive applications

X-Terminator(TM) Off-Road X-Pipes are designed specifically for standard transmission Ford Mustangs

QA1 High Travel Coil-Over Spring - 2.5 in ID - 14 in Length - 225 lb/in Spring Rate - Silver Powder Coat Centerlink Multiple spring rate options arePowder 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.