The Simpson Supercoil racing suit is the ultimate in comfort
Used by top race teams in rear ends
Chevy Suburban & GMC Yukon XL 2500: 2000 - 2013
The SpeedStack™ 3 is a stack of 3 laminated Tearoffs that are 4 mil thick
Precision-machined to tight tolerances
KRC 5" Coil-Over Kit - Fits Bilstein Driver Suit The Simpson Supercoil racing suitKRC's 5" Coil Over Shock Kit fits most Modified race cars, IMCA, UMP, etc. This kit works well with 11", 13", 15", & 16" inch springs. Acceptable to 4 link, swing arm & 2 link suspensions. Kits include anodized aluminum components (top, threaded bottom, sleeve, and diaper pin). KRC Steel Coil Over Adjustment Wrenches are available separately (#KLU8840 & #KLU8842). Kluhsman Racing Components we are constantly striving to drive forward and always go the