CAM GRIND #450/451
Fits: -99-14 Honda TRX400EX
-96-04 Honda XR400
All around performance with added mid and upper end performance. Stock springs OK. NO CORE REQUIRED Requires High Compression Piston, Exhaust System, and Hardwelded Rockers.
VALVE LIFT: .350"/.345"
DURATION: 280/280
DURATION AT .050": 256/256
