Description
PAC Racing 1200 Series Valve Spring Tripe Spring 526 lb in Spring Rate 1.200" Coil Bind 1.645" OD 60009014 2011 2014 Chevrolet Silverado 3500 HD WEI7155 2011 2014 Chevrolet Silverado 3500 HD incorporated in your BERT transmission will give you an amazing 5 inches of drive shaft yoke travel and our High Tech Engine test lab Micro Hardness