QA1 Pro Coil High Travel Coil-Over Spring - 4.125 in ID - 10 in Length - 550 lb GRT1080 Retains the front sway bar

Retains the front sway bar use while clearing the Active Aero front spoiler and factory bumper

This 2-Step connects right to your late model GM LT engines to produce consistent launches and quicker 60-foot times by setting an RPM limit to stage with

Stock Wheels - 10 1/8 in

COMP Cams Dial Bore Gauge Combo measures rod bores

QA1 Pro Coil High Travel Coil-Over Spring - 4.125 in ID - 10 in Length - 550 lb GRT1080 Retains the front sway barAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of high travel springs with a silver 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.