Swift Rear Coil-Over Spring - 2.5" OD x 20" Tall - Progressive 75/150 lb. 111025 7L V8 engine and 2015-2018

7L V8 engine and 2015-2018 Chrysler 300 with 5

Gauge kit includes 1/8" NPT pressure transducer

it's made in the USA and backed by Borla's Million-Mile warranty

Includes allen wrench and detailed instructions

Dual pattern core for reduced sound levels

Swift Rear Coil-Over Spring - 2.5" OD x 20" Tall - Progressive 75/150 lb. 111025 7L V8 engine and 2015-2018DEVELOPED SPECIFICALLY FOR ROUND TRACK RACING. DESIGNED TO HAVE THE OPTIMAL SPRING RATE SWEET SPOT WHERE THE SPRING IS USED ON ACTUAL VEHICLE. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs superior engineering has provided the