QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 12" Tall - 150 lb. Fluid Cooler Mount Kit The TPO composite top layer

The TPO composite top layer construction offers a flat work surface

Featuring a 1/2" drive socket and a knurled nut

Inlcudes a new pump o-ring seal

Drag Race / Tube Chassis

The full length trays only fit into aftermarket oil pans that are deeper in the front

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 12" Tall - 150 lb. Fluid Cooler Mount Kit The TPO composite top layerPowder 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.