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If your engine peaks at 7500 RPM but your spring transitions at 6000 RPM
This clearance is critical for builders running oversized carburetors on 232cc or larger GY6 projects
Featuring a universal mounting system
Mix a light 50:1 ratio of high-quality synthetic 2-stroke oil directly into your first full tank of gas to guarantee extra top-end lubrication while the new rings seat to the cast iron walls
TFC 63mm Cylinder and Stroker Crankshaft Kit - GY6 delorto jets If your engine peaks at63mm TFC cylinder and head, A8 high lift cam, and +3. 0mm stroker crank kit for GY6 150cc vehicles with A case engines. 190cc displacement! Cylinder Bore: 63mm Cylinder Stud Spacing: 54mm (A Case) Exhaust Valve: 23mm Intake Valve: 28mm Cylinder Skirt Outer Diameter: 65mm +3. 0mm Crankshaft (60. 8mm Stroke) Made in Taiwan GY6 QMI QMJ 152 157
US$ 60.94
US$ 62.09
US$ 65.54
US$ 149.97
US$ 62.09
US$ 139.97
