QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 110 lb. 38500310 Advance Spring and Weight Kit

Advance Spring and Weight Kit - Precision stamped weights and center plate eliminate erratic timing three sets of springs and complete installation instructions make recurving your HEI distributor easy

and chrome dipstick head and fittings

Cometic combines advanced materials with the most current manufacturing processes to provide custom-tailored solutions to meet the needs of each individual customer

Produce Easier Starting/Greater Throttle Response

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 14" Tall - 110 lb. 38500310 Advance Spring and Weight KitPowder 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.