Big Bore Kits Jailing
Lifan Bore Kits include head gasket, piston and pin kit and bored cylinder on a change over basis. Available in 133cc, 135cc and 140cc. All prices on application. These are all racing pistons and vary in high comp ratios

Jailing Monster Head Conversion 137cc
This kit allows the jailing engine to be converted to run the monster Big Valve Head in conjunction with a high comp twin ring racing piston.
$ P.O.A. Depending on cam and head port configuration.
Super Stroker Crank
Jailing Super Stroker Crank 60mm stroker. Makes standard 125 Jailing engine 130cc. Stroke your godzilla outlaw engine and get 148cc. Comes ready to install.
Change over $215.00
Jailing Super Cam
This cam fits all jailing engines 110 and 125. It requires no Head and Valve Spring modification. Gives good mid range power and allows the engine to rev.
$149.95
140cc Big Bore Kit
This is a 140cc Big Bore out law kit to suit jailing motor. New cylinder, piston ring set, big valve head and 1/2 race cam. 1 off Kit
$520.00
Jailing Big Bore Super Kit
136cc Alloy bore. Super Hi comp 2 ring racing piston, New complete monster Head, Monster cam to suit head. Will deliver very good mid range power torque.
$695.00
outlaw 150cc
Turn your Motovert Out Law engine 140cc into a super out law 150cc with Big50s change over crank.
$215.00 change over or $315.00 out right
Jialing 160cc Race Kit.
Comes complete with race cam, big valve head 24/28, 60mm race piston.
$735.00
Heavy Duty Clutch Springs
Heavy Duty clutch springs to suit all chinese pit bike engines. clutch on main shaft
$27.95
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