QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 325 lb. Transponders & Components you must choose a mounting

you must choose a mounting option (mount sold separately)

Durable axle is made from wear resistant tool steel to prolong the life of the roller assembly

and the best in the market today

Solid Forged Cross Body

This Plug and Play solution lets you quickly and easily install the AutoMeter 9117 Tach Adapter onto your LS-derived engine

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 325 lb. Transponders & Components you must choose a mountingPowder 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.