13mm Fat Boys Glue Track OD [2.7mm] Set of 4 Piston Drilling:Base set 2x1.5 ** This fits the RC8B4

** This fits the RC8B4 and RC8B4

Part Number:  ASC81630

adds ackermann

the Nova design is the ideal slipper clutch for spec 17

We've run them at Thornhill Racing Circuit

13mm Fat Boys Glue Track OD [2.7mm] Set of 4 Piston Drilling:Base set 2x1.5 ** This fits the RC8B4Part Number: 1548 (set of 4 pistons) Get the edge on high traction racing with the newest Fat Boys piston technology. These pistons "G" for glue track OD have a 0. 1mm smaller OD for more flow around the outside. This added flow gives an in between 2 and 3 hole feel with more initial softness and less pack at low speeds in the infield to make the car less reactive. Works on glued dirt or also carpet indoor. 2. 7mm thickness allows for a unique damping