Quasi Speed

Big Bore Rated Shock Spring Set Includes These Pound Springs: 4, 5, 6, 7, 8, 9, 10

Big Bore Rated Shock Springs sold in Pairs    

Big bore 3 hole piston compatible with the QS-5049, QS-5050, QS-502, and QS-5053 shock shafts

Big bore 3 hole piston compatible with the QS-5049, QS-5050, QS-502, and QS-5053 shock shafts

1 pair of black anodized aluminum cap redesigned to not allow the shock body to spin while adjust your spring collar trackside.  The eyelet now has a longer shoulder on it as well to keep the...

Big bore piston with o-rings.  4 hole with 2 different sized holes.  Works best on rougher tracks.  Comes in a set of 4. Formerly GFR-4154 and 57-1109

Set of four blank big bore pistons

Set of four big bore bleeder caps. Comes with 4 12mm o-rings and 4 screws.

Big Bore low frequncey shock springs sold in pairs

Big bore spring kit with low frequency springs. Includes the following:  3.5, 4.5, 5.5, 6.5, 7.5, 8.5 pound springs

1 pair of lowered spring buckets for the Team GFRP Big Bore shocks. Standard on the Apollo Drag Car rear shocks. Formerly GFR-4158 and 57-1072

1 pair of raised spring buckets for Five Seven Designs big bore shocks.     Compatibility: Five Seven Designs    Formerly 57-1048

12mm big bore shock kit.  Designed to work with Short Course Modifieds.   Compatibility: Five Seven Designs Prodigy Formerly 57-1037

Team GFRP Bore Shock Bladder. Package includes four replacement bladders used with Team GFRP big bore shocks. Standard rear shocks on the Apollo Drag Car, QS-5112 Big Bore Shock Kit, Prodigy SC Mod...

1 pair of short  big bore shock bodies designed for Apollo Drag car. Also replacement for the Big bore shock kit used on the Rubber Tire Dirt oval Race cars. Formerly GFR-4150 and 57-1040

Replacement o-rings for the Team GFRP Big Bore shocks.     Formerly GFR-4076 and 57-1051