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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
✅ Pro-Grade Components: Forged Piston
Forged from 6061T aluminum
If open bearings are required
Compatible with all 2005+ Honda 400EX and 400X models
reliable crankshaft bearings designed to keep your Honda XR650L running smoothly
Yamaha Banshee 370 Cylinder Top End Kit ProX Piston ProX Bearing Cometic Gaskets Magnum 500 ✅ Pro-Grade Components: Forged PistonSerious power upgrade for Yamaha Banshee. 370cc 66mm big bore top end kit with ProX pistons, bearings, and Cometic gaskets. Yamaha Banshee 66mm Big Bore Top End Kit 370cc ProX Pistons, Bearings & Cometic Gaskets High Performance 370cc Big Bore Rebuild Kit Unleash more power and torque from your Yamaha Banshee with this premium BPRATV 66mm Big Bore Top End Kit. Built around the same trusted ProX pistons and components you expect, this 370cc big bore