QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 12" Tall - 110 lb. Fragola Performance Systems 357 cc Intake

357 cc Intake

A perfect sealing surface is assured with the 5/16" machined flanges

1975-1995 Ford F-150

1966-1985 Lincoln Continental

12 Volt Square Wave Output

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 12" Tall - 110 lb. Fragola Performance Systems 357 cc IntakePowder 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.