Pro Shocks WB Series Twintube Shock - 13.00 in Compressed/20.00 in Extended - 2.00 in OD - C5-R3 Valve - Black SPBS4 Testing resulted in a peak

Testing resulted in a peak of 507 horsepower and 487 ft-lbs

Kits come with hardened parallel-ground washers

On-Board Diagnostic LEDS for: ECU Power - Engine Run - Wideband Status - TPS Calibration - Crank Signal -Cam Signal

Emergency Fuel Shut-Off

The COMP crankshaft socket for Chevrolet Big Block is the last crankshaft socket that you'll need

Pro Shocks WB Series Twintube Shock - 13.00 in Compressed/20.00 in Extended - 2.00 in OD - C5-R3 Valve - Black SPBS4 Testing resulted in a peakThe newly redesigned Black PRO WB Series shocks now feature hardened shafts and come with a removable rod end while still maintaining our superior, yet economical gas cell design. These are ideal for IMCA Modifieds and Street Stocks. These can be run shaft up or shaft down and a snap ring groove has also been added to allow the use of a coil over kit. Coil over kit for 5" spring is C327WB and when using 2 1 2" coil overs, use C300WB. Precision and