
The Story
Cylinder Head - Standard Bore - Yamaha
New replacement cylinder head, Competition valve job, Shortened valve guides to accept higher lift cams, Unshrouded combustion chamber, Blended bowl seat to port, Stock-shaped ports, Does not include valves, springs or lifters, Made in the USA
Description
Cylinder Head - Standard Bore - Yamaha
New replacement cylinder head, Competition valve job, Shortened valve guides to accept higher lift cams, Unshrouded combustion chamber, Blended bowl seat to port, Stock-shaped ports, Does not include valves, springs or lifters, Made in the USA













