Wiseco Steel Exhaust Valve – Yamaha 660cc
Wiseco, Exhaust Valve, Steel, Yamaha 660cc ’01-08
Wiseco valvetrain components have riders and racers covered from stock rebuilds to race engines. Titanium valves, Garage Buddy steel valve kits, cam chains, and valve shims help set you up for four-stroke head rebuild success.
- Valve components manufactured by leading and trusted suppliers
- Precision machined to exacting tolerances and quality inspected for OEM+ fit and function
- Garage Buddy valve kits offer a more convenient and affordable replacement kit for titanium valve equipped models
- Shim kits, individual titanium valves, and more available!
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.