QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 375 lb. Karting Gear Rear support adds strength to

Rear support adds strength to the rear section of race car by reducing excessive flex

Helps to prevent vapor lock

Suitable for use with gasoline powered engines

Latch and Link 5 Point SFI-16

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 375 lb. Karting Gear Rear support adds strength toPowder 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.