YX 140 Head 23/27 valves
w/Covers

This is the YX Big Valve head

Can be used on GPX 124cc Engines as in Pitster pro ,thumpstar ect
27mm intake valve and 23mm exh valve complete and assembled

cam included with .265'' lift

Intake port size is 24mm

Exhaust port size is 33mm

using this head and the tb146cc bore kit on your Pitster will produce a really good power increase

Includes

• Cam sprocket 32 tooth 
• cam
• all covers covers 
• Valves (installed)

• Oil line jumper (not shown)

Can be used as replacement head for Lifan 140cc , Lifan 150cc & Lifan 120cc 52.5 bore x 55.5 stroke engines

Please tell us what engine you have when ordering

Due to stock levels we may sub for equal YX product

When running TB300 Race cam a simple far end bearing swap will be needed
(no special tools required)

NOTE: 
Alternate Part numbers
TBW1118 
TRC-049