JASMA racing crankshaft stroker mitsubishi 4g13 & 4g15






Transplant this JASMA racing stroker cranks into
your powerplant and get ready to pump out the power.

Features:
    Heat treated steel
    Nitrided harden
    Full flow oiling
    Profiled counterweights
    Machined for lightness
    Micro-polished to exacting tolerances.
    Straight shot and chamfer oil holes
    Large fillet radius on all journals
    Precious ground, micro polished, balanced & magnaflued
    Cross-Drilled holes for best rod journal lubrication
    Balanced crankshaft
    Greater torque and horsepower
    Similar to original 4G13/15 main and rod journal sizes
    Rod journal 42mm
    Main journal diameter 48mm
    Stroke 87mm
    Weight 11.7kg


    Conversion to 1.6 liter    

    Note :   
     Use standard size 4G13/4G15 main & con rod bearing.  
     U may select to use standard 4G13/4G15 con rod or standard waja 4g18 1.6 con rod.  
     Piston 4G13/4G15 cannot be use.  U may use waja 4G18 1.6 standard piston. 
     Original 4G13/4G15 flywheel can be fitted in nicely using all original bolts.
     Original 4G13/4G15 crankshaft stroke 82mm. 
     Main bolt tightening crank pulley to crankshaft still using original 4G13/4G15.