Cylinder and Head 58.5mm Alloy Big Bore Kit (EGR/PAIR) - GY6 125/150cc

This kit has an EGR / PAIR pulse breather hole built into the exhaust flow port. It's designed to control emissions by lower HC and CO emissions. If your head is equipped with a chrome pipe on the valave cover, then this is the correct head kit for your engine.

Fits the 150cc, GY6 152QMI, 157QMJ engine with EGR / PAIR system only.

Alloy cylinder and head big bore kit for the GY6 125 &150cc engine. This performance Kit is ready to bolt on without any modification. Compatible with the Honda base GY6 Engine & China Cloned GY6 152QMI, 157QMJ. (cannot install to P152QMI, nor P157QMJ Engine)

Kit Includes: 59mm Aluminum Cylinder Head, 58.5mm Aluminum Cylinder Block, High Performance A12 Camshaft, Piston and Piston Rings, Wrist Pin, Wrist Pin Clips and Gaskets.

Specifications:
 Cylinder diameter:  58.5mm
 Outer Sleeve diameter:  60.2mm"
 Bolt Hole Spacing: 54mm (center to center)
 Intake Valve Diameter: 28mm 
 Exhaust Valve Diameter:  23mm 
 Exhaust Port:  27mm 
 
MADE IN CHINA

Note: This kit is not recommended for inexperienced installers. It is highly recommend that it's install by an experienced scooter or motorcycle mechanic. The valves may require adjusting and the timing must be properly set. Fits the 150cc, GY6 152QMI, 157QMJ engine with EGR / PAIR system only.

Compatible with the following GY6 125/150cc Engines models
 KYMCO: GY6 125 and 150cc
 MXer GY6 125 and 150cc
 MXU GY6 125 and 150cc
 TGB GY6 125 and 150cc
 HONDA GY6 125 and 150cc
 SYM GY6 125 and 150cc
 VENTO GY6 125 and 150cc
 Phantom R4i GY6 125 and 150cc
 Strada RX150
 Yamati GY6 125 and 150cc
 Verucci GY6 125 and 150cc
 Baccio GY6 125 and 150cc
 Viva GY6 125 and 150cc
 Matrix GY6 125 and 150cc
 Wuzzi GY6 125 and 150cc
 Lifan GY6 125 and 150cc
 Clones GY6 125 and 150cc