QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 150 lb. 91609069 Supercharger Tank- ' 13- '14

Supercharger Tank- ' 13- '14 Mustang GT500

1988-1991 Chevrolet C1500

Greatly reduce radiant heat from street muffler Cooler interior Protect from damaging heat Kit includes FREE Locking Tie Tool Kit Includes: 1 - 42 in

Manley Street Master straight stemmed XH-424 stainless exhaust valves and NK-841 stainless intake valves have chrome stems

Sports Car Club of America (SCCA)

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 150 lb. 91609069 Supercharger Tank- ' 13- '14Powder 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.