PROX Steel Exhaust Valve – KTM EXC450 RACING EXC/SX520-525
Ø100MM PROX SET OF PISTON RINGS FOR 4-STROKE
VERTEX Steel Exhaust Valve – KTM
PROX Steel Intake Valve – KTM EXC450 RACING EXC/SX520-525
VERTEX Steel Intake Valve – KTM
PROX Valve Stem Seal