*Coated wrist pin on select models only.
Used by many
Pro Circuit Copper Berylium Valve Seats will not chip like the stock
seats. They also help dissipate heat and increase the lifespan of
Pro Circuit pistons are forged from high-quality aerospace
aluminum alloy, manufactured by JE Pistons using advanced CNC-machined technologies. Designed and engineered to Pro Circuit’s
Pro Circuit Clutch Springs are a must-have for any dirt bike, stock
or modified. We designed our clutch springs to increase clutch life
and reduce slipping.
Valve springs allow your engine to run at a higher rpm without
the loss of valve control. Comes with retainers & keepers. Some
models will also include spring seats.
REM Isotropic Finishing reduces friction, increases the lifespan
of transmission parts, improves shifting and lowers operating
Pro Circuit Camshafts are designed to provide superior performance
over stock (HP/torque) by optimizing the valve lift profile. Used in
conjunction with Pro Circuit valve springs should ensure a valve
train free of dynamic bounce.
Pro Circuit Valve Springs allow your engine to run at a higher rpm
without loss of valve control. Depending on your bike, some of our
valve springs will also include seats.
Our valves are designed to increase performance and are thermal-nitride coated to reduce normal wear.
FROM $129.95 (PER SEAT)
VALVE SEATS COPPER BERYLLIUM
HIGH-COMPRESSION PISTON COATED PIN*
VALVE SPRING KIT
TRANSMISSION REM ISOTROPIC FINISHING
TITANIUM EXHAUST / INTAKE VALVES