Swift Rear Coil Spring - 5.5" OD x 11" Tall - 375 lb. 3552024-13-XXL LS1 Timing Control Module #91238

LS1 Timing Control Module #91238 works on LS1 24x reluctor wheel (crank trigger) applications only

Kit Includes: 18" Fuel Pump Hanger 12"Foam Extension Longer Fuel Supply Tubing 20" Electrical Pig Tail Click here to learn more about the phantom

including Buick Regal

using the existing factory mounting points

More accurate shifts (Manual-equipped cars)

Swift Rear Coil Spring - 5.5" OD x 11" Tall - 375 lb. 3552024-13-XXL LS1 Timing Control Module #91238DEVELOPED SPECIFICALLY FOR ROUND TRACK RACING. DESIGNED TO HAVE THE OPTIMAL SPRING RATE SWEET SPOT WHERE THE SPRING IS USED ON ACTUAL VEHICLE. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs superior engineering has provided the