y0099 Ceramic ball bearings for CY/Zenoah/HPI Fuelie/Losi crankshaft, 2 pcs.
Product information "y0099 Ceramic ball bearings for CY/Zenoah/HPI Fuelie/Losi crankshaft, 2 pcs."
Special version for Zenoah / CY / HPI Fuelie crankshaft (12 x 28 x 8 mm) with larger radius at the shoulder of the inner race.
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Race ported top end set for Zenoah G320 engine.The SPEED TEC EXPERT genuine Zenoah G320 race ported top end set is optimized for performance with sophisticated craftsmanship and when accurately installed - guarantees, besides greatly increased performance, excellent workmanship and stamina. SPEED TEC EXPERT version modifications: Cylinder: Adjustment of compressionEnlarged portsFuel management milledModified exhaust and intakeTransfer port covers:Glued and ready for use Piston: Weight reducedSkirt shortenedOil ringsPiston above and below piston ring tapered and piston dome groundSet includes the following parts: CylinderPistonPiston ringCylinder foot gasketPiston pinPiston pin clipThrust washer for needle bearingCover for transfer portTo achieve the optimum performance gain of a SPEED TEC EXPERT top end set, we recommend the use of a tuned pipe ().