Need help finding goo rebuild kit
 

I am Looking for a Good quality rebuild kit for my gy6 150cc. Here are my scooter specs. Seems like every kit I've found has bad reviews.

ENGINE

Serial
1P57QMJ 4STROKE

Bore×Stroke (mm)
57.4 x 57.8

Displacement (ml)
149.6

Compress Rate
9.2 : 1

Max Power (kW/r/min)
5.8/7000±500

Rated Power (kW/r/min)
5.5/7000±500

Max Torque (N·m/r/min)
8.1/6500±500

Idle Speed (r/min)
1700±100

Fuel Consumption (g/kW·h)
354

Start
Electric / Kick
Ignition
C.D.I
Transmission
V-Belt