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Trail Bikes 143cc Big Bore Kit for Kitaco or YX 4 Valve Head - KLX110 / KLX110-L / DRZ110 (All Years)

4 valve piston kit, YX 4 head, 4 valve 143cc kit, KLX110 4 valve big bore piston kit, piston kit, Fast50s

KLX110 / KLX110L / DRZ110
Pricing: $192.95


Trail Bikes 143cc Big Bore Kit for Kitaco or YX 4 Valve Head - KLX110 / KLX110-L / DRZ110 / Others (All Years)

This bore 143cc kit is designed to work the Kitaco and YX (Dirtmax) 4 Valve Cylinder heads and provides you with an additional bore size option to use on your engine.

The kit includes an all aluminum ceramic plated 60mm cylinder. This cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction
(thus increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). Also included is a lightweight high revving 4 valve piston. Finally, the head gasket kit includes a head o-ring set and an exhaust gasket so you don’t have to re-use your old ones or make a trip to your local dealer to get new ones and spend more money. These are high quality parts and best thing is no case boring required – just bolt on and go horsepower!

This kit is installed in the same manner as your OEM parts.

     • Kawasaki KLX110 2002-2009
     • Kawasaki KLX110 2010-Present
     • Kawasaki KLX110L 2010-Present
     • Suzuki DRZ110 2003-2006
     • YX150/160
     • ZS155
     • Pitster Pro 150/155/160
     • Piranha 160
     • SSR160

Kit Includes:
     • Ceramic coated 60mm all aluminum cylinder (No case boring required)
     • 60mm lightweight all aluminum 4-Valve piston w/ skirt
     • Piston wrist pin
     • 60mm piston rings
     • Cir-clips
     • Head gasket kit – Includes the cylinder head o-ring set & an exhaust gasket.\

If you have any questions please call one of our knowledgeable and friendly techs at 833-327-8507

Included Part Numbers

•TBW0378 Cylinder
•TBW0306 Gasket
•TBW0592 Piston
•TBW0305 Gasket


  • FF9076TB
  • FF9076TB
  • Trail Bikes
  • New


Shipping Information

  • Item Requires Shipping
  • 3.0 lbs.

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