Trail Bikes 170cc Piston Kit - KLX140 (All)

TB Big Bore Piston Kit - KLX140 (All)

TB Part piston kit for the KLX140.
Choose between the standard piston kit or the forged piston which is the next level of performance and quality.
Forged pistons offer more strength and are more resistant to wear.
This FORGED 63mm (170cc) high compression piston kit was developed for use with the stock cylinder head.
Both pistons are replacement parts for use with The TB Parts 63mm 170cc cylinder.

Standard and Forged Piston kit includes:
     -63mm Piston
     -Piston Wrist Pin
     -Piston Ring Set
     -Cir-clips

Compression ratio (Forged piston) is:
     -10.9:1 Combined with the OEM cylinder head
     -12:1 When used with +6 stroker crank (Makes it a 188cc)

In both combinations above, high octane pump gas can be used (Race gas is not required).
Features:

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