Hypercoils Pigtail Rear Coil Spring - 12" Tall x 5-1/2" O.D. - 200 lb. - Stock Appearing Helmet Blower Blower Wiring Harness External Regulator Required: Yes

External Regulator Required: Yes

Includes Aluminum Shift Cover

LSR 219/227 HRlrLSThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Titanium Anodized

2007-2016 Chevrolet Silverado 3500 HD

Hypercoils Pigtail Rear Coil Spring - 12" Tall x 5-1/2" O.D. - 200 lb. - Stock Appearing Helmet Blower Blower Wiring Harness External Regulator Required: YesRear coil springs have a pigtail on one end and a flat on the opposite end and are offered in two different versions. "S" series springs are 12" tall x 5 1 2" O. D. whilde the "R" series springs are 11" tall x 5 1 2" O. D. All springs are painted black for "stock" appearance. Hypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing