Race Piston kit for the current generation FC/MC/450SXF
 
Piston kit includes:
TD Spec Race Piston
OEM KTM ringset
DLC Coated Wrist Pin
Circlips (2)
 
Piston will fit into stock engine and provide power gains across the entire powerband. This is the piston that we run in all of our 450 race engines. This piston does not require a mapping change to run properly, but we can remap your ecu to match your setup for best results.