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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Performance Gear Ratio for Yamaha NVX 125cc 155cc 13×42 T increase acceleration and top speed
Steering Bearing for KLX140 – KX65 and may also fit other bike
– Stroker Crankshaft longer +6mm from stock
Please choose correct years when making purchase
complete kit include chain guide as pictured
KLX140 Big Bore Kit 170cc Ceramic Cylinder With Forged Piston Performance Parts/Yamaha/NVX125 - NVX155/Engine Performance Gear Ratio for YamahaBig Bore Kit 170cc with 63mm piston size for Kawasaki KLX140 KLX150 Series 2008 2025 This kit come with Forged Piston 63mm size and cylinder with ceramic coating for better heat transfer! Replacement piston kit form this link : Piston Kit for KLX 140 Big Bore Kit 63mm We also have stroker crankshaft longer +6mm from stock, please contact us for details Cylinder head with big valves are ready stock! We built many race engines for KLX140 KLX150 and we