TB V2 ROLLER ROCKER CYLINDER HEAD - TBW9255
 
This kit is designed and manufactured by TB Parts who specialise in pit bike performance parts in USA. 
 
This cylinder head is designed with larger intake valve and smaller stems with a roller rocker arm system and high lift cam shaft for optimum performance.
 
SPEC:
Intake Valve Size = 30mm
Exhaust Valve Size = 24.50mm
Intake Port = 27mm (Valves Installed)
Exhaust Port = 23mm (Valves Installed)
Camshaft = High Lift 
Rocker Arms = Fordged Aluminium Red Roller Rockers
Exhaust Port Angle = KLX
 
FITS:
YX160
Z155 (YX160 VALVE & CAM COVERS NEEDED)

Item Includes:
1x Camshaft Kit (TBW0577)
1x Cylinder Head Casting (TBW0459)
1x Roller Rocker Arm Kit (TBW0825)
1x TB Valve Kit Fitted (Inc springs, caps, collets and seals) (TBW0886)
2x Exhaust Studs - 8mm
 
PLEASE NOTE:
KIT COMES AS SHOWN IN PHOTOS
EXHAUST PORT ANGLE IS KLX TYPE THEREFORE YOUR EXHAUST MAY NEED TO BE MODIFIED TO SUIT THIS ANGLE
EXHAUST STUDS ARE 8MM
CAM HOLDING PLATE BOLTS NOT INCLUDED
YOU MUST USE A TB PISTON WITH THIS HEAD. IF YOU FIT WITH STANDARD PISTON THEN THE VALVES WILL FIT THE VALVE POCKETS ON THE PISTON!