QA1 CR-S Tapered High Travel Coil Spring - 3.57" ID, 300 lbs/in Rate, 11" Length - 1973-1987 Buick Regal RZR XP 4 1000 Limited Edition 0 (V6) are the ideal

0 (V6) are the ideal solution

2014 BMW 4 Series Coupe RWD (F32)

2011 Mercedes-Benz E-Class 6 Cyl/8 Cyl (W212)

5 without pre-loading the spring

Part Number ISC-S601-T Part Name N1 V2 Track Race Coilovers Vehicle 2005-2010 Scion tC Chassis Code AT10 Spring Rates - Front 12 kg/mm Spring Rates - Rear 12 kg/mm Spring Length - Front 140mm Spring Length - Rear 140mm Triple S Coilover Springs Upgrade Yes Top Mounts - Front Pillowball top plates or adjustable camber plates when applicable or re-use OE strut/shock mounts Top Mounts - Rear Factory like rubber top plates or re-use OE strut/shock mounts Ride-Height Adjustable Yes Damping Adjustment 1-Way Quantity Full Set (Front & Rear) Vehicle Fitment

QA1 CR-S Tapered High Travel Coil Spring - 3.57" ID, 300 lbs/in Rate, 11" Length - 1973-1987 Buick Regal RZR XP 4 1000 Limited Edition 0 (V6) are the idealAvailable in 7", 9", 10", 12", 14" and 16" lengths, QA1 offers an assortment of High Travel Springs for the 1973 1987 Buick Regal 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