Mitsubishi had chosen to use the lash adjuster (hydraulic system) for the 4G63 cylinder head for mass production efficiency, maintenance free and quieter operation. The best way to get more power from the 4G63 engine is to convert it to the solid system which is by far more superior in allowing running more aggressive camshaft profiles. The Solid conversion helps with more efficient opening and closing of the valves and therefore helps improve response throughout higher RPM ranges. This product uses internal shims to adjust the height. The kit includes 2.500 shims for . each pivot (various shim sizes are available and sold seperately) Designed to be used in conjunction with other solid conversion upgrade products (as mentioned above in the notes) from Tomei Powered for the 4G63
P / N:. 163039
Solid Pivot x16
Test Shim (t = 2.6) x8
Images are for illustration purpose only. Actual product may vary.
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