Timbren SES Helper Spring Kit Stock Height Hardware Included Rear - Rubber - GM Fullsize SUV 2000-12 DMU-NUTPLATE 570" ID that works well

570" ID that works well with our 917 dual valve springs

any standard breaker points systems or even with an MSD 5 or Blaster Ignition (non-CD ignitions)

Billet aluminum water necks fit most Chevy V8’s

H80 Dual Talk Headsets

Lightweight and low runout (under

Timbren SES Helper Spring Kit Stock Height Hardware Included Rear - Rubber - GM Fullsize SUV 2000-12 DMU-NUTPLATE 570" ID that works wellProduct Description: Helper Spring Kit SES Stock Height Hardware Included Rear Rubber Black GM Fullsize SUV 2000 12 Timbren was founded in 1965 to advance the ride quality of trucks while towing. Today they manufacture suspension enhancement systems for towing, rubber helper springs, and full trailer suspensions designed for both on and off road uses.