Click to enlarge

lift is 6.75mm * PLEASE READ WARNING BELOW ORDER BUTTON FIRST !! * SEE THE PICTURES BELOW AS THE RIGHT HEAD COVER IS THE CLUE TO KNOWING IF YOU HAVE A LONG OR SHORT SHAFT CAM !! * THE BEARINGS OD ARE : FRONT 35MM AND REAR/INNER BEARING 32MM

IF YOU HAVE A STOCK TYPE 50 OR 70CC HEAD ,, WE RECOMMEND USING 200149 HD VALVE SPRINGS AS THEY HAVE THE LEAST CHANCE OF TOTAL COLLAPS,, OR IN OTHER WORDS BOTTOMING OUT COIL TO COIL.

"SHORT"_68MM LIFAN ZONGSHEN JINCHENG RACE_CAM (MOST_50_70_90CC) 1/16R (200147) 200147$49.99

Click to enlargeCLICK HERE TO MAKE SURE WHICH CAM YOU NEED 68MM_OR_73MM
Click to enlargeWARNING - PLEASE CLICK ON THIS AND READ !!!!!
HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) ALSO WORK TO REPLACE STOCK 50 AND 70 STOCK SPRINGS AND ADD SOME MORE TENSION

HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) 200149$12.99
..LIFAN_&_CLONE TOP_CAM_SPROCKET 28_TOOTH (290L)..LIFAN_&_CLONE TOP_CAM_SPROCKET 28_TOOTH (290L)BIG HOLE IN CENTER IS 17MM

290L$7.99