QA1 High Travel Coil-Over Spring - 2.500" ID - 14.000" Length - 110 lb/in Spring Rate - Black Powder Coat 93511 The new Pro-Flo 4 EFI

The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor

Stock sway bars have low torsional spring rates because they are manufactured from small diameter bar stock or tubing

C-N-P V8 KIT

2011-2015 Chevrolet Caprice

Excellent high RPM power

QA1 High Travel Coil-Over Spring - 2.500" ID - 14.000" Length - 110 lb/in Spring Rate - Black Powder Coat 93511 The new Pro-Flo 4 EFIQA1 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