YAMAHA GP800/GP1200R
R&D EXHAUST VALVE ARM
R&D EXHAUST VALVE ARM
FITS: GP800/ GP1200R MODELS
The R&D Billet Exhaust Valves reduce the clearance between the valve
and piston, this reduced clearance improves the seal which boosts the
valve down compressions ratio delivering greater bottom and mid-range
power.
Directly replace OEM YPVS valve units.
- Item #: 332-12003