QA1 Pro Coil High Travel Coil-Over Spring - 4.125" ID 11.0" Length 300 lb/in Spring Rate - Silver Powder Coat Mechanical Boost Gauge DMI offers the best guarantee

DMI offers the best guarantee in the industry

240-33 ohm

It stops voltage leaks

ProTuner 525

a routine maintenance for the discharge filter would be minimum replacement once per year

QA1 Pro Coil High Travel Coil-Over Spring - 4.125" ID 11.0" Length 300 lb/in Spring Rate - Silver Powder Coat Mechanical Boost Gauge DMI offers the best guaranteeThese silver powder coated springs fit perfectly with QA1's Pro Coil Shock Systems. These springs are available with flat and pigtail ends and in 10" and 11" free lengths. Made with the highest quality materials, QA1'springs are strong, consistent and have a long life. All QA1'springs are manufactured using the highest quality materials for high strength, consistency and long life. They are cold wound, heat treated and shot peened to ensure