13mm Fat Boys AE Piston [2.7mm], 2x1.7 Carbon Fiber Option Parts Kurt recommends starting pink/silver front

Kurt recommends starting pink/silver front and blue rear as a baseline

every 4 track days: Check bearings by spinning gearbox (pinion removed) and axles

+1 for higher grip (but more steering than +2)

Typical shimming is pumpkins 22

13mm Fat Boys AE Piston [2.7mm], 2x1.7 Carbon Fiber Option Parts Kurt recommends starting pink/silver frontGet the edge on high traction racing with the newest Fat Boys piston technology. 2. 7mm thickness allows for a unique damping effect that is a huge benefit on high traction. The added thickness and square edge Schelle design limits blow by, so the oil is forced through the holes. The added length of hole on the damping valve gives more pack on fast hits all of this shines on high traction where you get more predictable cornering, and less abrupt body