QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 150 lb/in Spring Rate - Black Powder Coat Replacement Timing Chain Billet aluminum Y-block is commonly

Billet aluminum Y-block is commonly used when connecting inline or remote electric water pumps to AN block adapters

064" Jet size

and MSD Ignitions (ballast resistor required for points)•  100:1 turns ratio and lower primary resistance produce high voltage output

3/8" pitch pulleys fit 5/8" diameter shafts

Fits Most Popular 3-spd Automatic Transmissions

QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 150 lb/in Spring Rate - Black Powder Coat Replacement Timing Chain Billet aluminum Y-block is commonlyQA1 offers an assortment of high travel springs with a black powder coated finish. Made in the USA, these 2" I. D. high travel springs are manufactured from specially designed high tensile, chrome silicon alloy spring wire, which allows them to have fewer coils and a smaller wire diameter. As a result, these springs are lighter and have increased travel due to the larger distance between the coils. These lighter springs reduce unsprung weight and