90 Ridetech Coil-Over Shocks Ridetech Triple Adjustable Coil-Over Shocks  This is NOT the Original ProTouring Shock  Race design & Double Digressive Pistons  Rebound, Low & High Speed Compression Adjustment  High Rebound Valving = High Grip  High Zero Number Rebound - Allows Timing of Tie-Down Through Roll Through Zone  Ron Sutton “Secret Sauce” Valving Ridetech Single Adjustable Coil-Over Shocks  We Swap in Lightweight Double Digressive Pistons  Rebound Adjustable / High Rebound Valving = High Grip  High Zero Number Rebound - Allows Timing of Tie-Down Through Roll Through Zone  Ron Sutton “Secret Sauce” Valving PLC Part # FRONT SHOCKS W/SECRET SAUCE VALVING Comp Ext Ride Height Price RST 1721-29 RT SINGLE ADJ C/O 2.9" TRACK-STAR FRONT VLV 8.73 11.63 10.5 365.00 RST 1721-36 RT SINGLE ADJ C/O 3.6" TRACK-STAR FRONT VLV 9.43 13.03 12 365.00 RST 1721-41 RT SINGLE ADJ C/O 4.1" TRACK-STAR FRONT VLV 10.13 14.23 13 365.00 RST 1721-52 RT SINGLE ADJ C/O 5.2" TRACK-STAR FRONT VLV 11.23 16.43 15 365.00 RST 1721-63 RT SINGLE ADJ C/O 6.3" TRACK-STAR FRONT VLV 12.33 18.63 17 365.00 RST 1721-69 RT SINGLE ADJ C/O 6.9" TRACK-STAR FRONT VLV 13.13 20.03 18.5 365.00 RST 1723-29 RT TRIPLE ADJ C/O 2.9" TRACK-STAR FRONT VLV 8.73 11.63 10.5 825.00 RST 1723-36 RT TRIPLE ADJ C/O 3.6" TRACK-STAR FRONT VLV 9.43 13.03 12 825.00 RST 1723-41 RT TRIPLE ADJ C/O 4.1" TRACK-STAR FRONT VLV 10.13 14.23 13 825.00 RST 1723-52 RT TRIPLE ADJ C/O 5.2" TRACK-STAR FRONT VLV 11.23 16.43 15 825.00 RST 1723-63 RT TRIPLE ADJ C/O 6.3" TRACK-STAR FRONT VLV 12.33 18.63 17 825.00 RST 1723-69 RT TRIPLE ADJ C/O 6.9" TRACK-STAR FRONT VLV 13.13 20.03 18.25 825.00 PLC Part # REAR SHOCKS W/SECRET SAUCE VALVING Comp Ext RH Price RST 4721-29 RT SINGLE ADJ C/O 2.9" TRACK-STAR REAR VLV 8.73 11.63 10.25 365.00 RST 4721-36 RT SINGLE ADJ C/O 3.6" TRACK-STAR REAR VLV 9.43 13.03 12.75 365.00 RST 4721-41 RT SINGLE ADJ C/O 4.1" TRACK-STAR REAR VLV 10.13 14.23 12.25 365.00 RST 4721-52 RT SINGLE ADJ C/O 5.2" TRACK-STAR REAR VLV 11.23 16.43 14 365.00 RST 4721-63 RT SINGLE ADJ C/O 6.3" TRACK-STAR REAR VLV 12.33 18.63 15.5 365.00 RST 4721-69 RT SINGLE ADJ C/O 6.9" TRACK-STAR REAR VLV 13.13 20.03 16.5 365.00 RST 4723-29 RT TRIPLE ADJ C/O 2.9" TRACK-STAR REAR VLV 8.73 11.63 10.25 825.00 RST 4723-36 RT TRIPLE ADJ C/O 3.6" TRACK-STAR REAR VLV 9.43 13.03 12.75 825.00 RST 4723-41 RT TRIPLE ADJ C/O 4.1" TRACK-STAR REAR VLV 10.13 14.23 12.25 825.00 RST 4723-52 RT TRIPLE ADJ C/O 5.2" TRACK-STAR REAR VLV 11.23 16.43 14 825.00 RST 4723-63 RT TRIPLE ADJ C/O 6.3" TRACK-STAR REAR VLV 12.33 18.63 15.5 825.00 RST 4723-69 RT TRIPLE ADJ C/O 6.9" TRACK-STAR REAR VLV 13.13 20.03 16.5 825.00 For Stud Top, add an S to the end of the part # & $25 additional Shocks