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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
Designed for OEM bore engines
Oil pump idle gears
NEW 85mm cylinders
For any warranty to be considered the part(s) in questions must first be sent to us for inspection
Raptor Rhino Grizzly 660 Valve Springs Valves Rocker Arm Shafts Head Rebuild Kit K&N Dedicated forgings and additional lighteningFITS ALL YAMAHA 660cc ATVs and SIDE x SIDE MODELS AND YEARS ALL PARTS ARE AFTERMARKET COMPLETE HEAD REBUILD KIT Intake valves Exhaust valves Valve springs Valve spring retainers Valve spring base washers Viton valve stem seals Valve keepers Rocker arms x 4 Rocker arm shafts x 3 Includes rocker arm shaft discontinued by Yamaha As good as OEM for half the price Works on all models and years with stock or aftermarket camshafts All brand new, 1 year