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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
with chamfered lead-in and lead-out ends to prevent shudder and squealing
Size: 20mm x 17mm
All-Season Performance: Engineered for year-round urban riding in varied conditions
Sleek Black Finish: Clean design that complements the Ruckus aesthetic
High quality replacement part for Chinese engines
NCY Engine Case Boring Tool - GY6 125/150cc CVT springs with chamfered lead-in and lead-outEngine Builder Precision: NCY GY6 Case Boring Tool Push the limits of your GY6 engine with the NCY Case Boring Tool. When upgrading to extreme big bore kits (such as 61mm or 63mm cylinders), the stock engine case diameter is often too small to accept the larger cylinder skirt. This professional grade tool allows you to precisely machine the engine case to the perfect clearance, ensuring a seamless fit for high displacement performance upgrades.
