QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 150 lb. 34013BL 508 lb/in Spring Rate

508 lb/in Spring Rate

Edelbrock's Performer-Plus lifter sets are designed for use with Edelbrock Performer-Plus or equivalent camshafts

Short Round Pipe

Assembled with an olive that threads onto the double-helix ribbed inner liner of the hose for positive engagement and retention of the hose-ends

1960-1969 Chevrolet Corvair

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 150 lb. 34013BL 508 lb/in Spring RatePowder 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.