13mm Fat Boys AE Piston [2.7mm], 3x1.7 Carbon Fiber Option Parts you won't regret the Schelle

you won't regret the Schelle Hybrid set

13mm front springs (6):  Gray

Brake cleaner will ruin your bearings

1 front and 2 rear holes larger  (good all around 5 hole)

4 series with the Schelle Aluminum Steering Rack

13mm Fat Boys AE Piston [2.7mm], 3x1.7 Carbon Fiber Option Parts you won't regret the SchellePart Number: 1528 Get 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