Forged Piston and Ring Set for BRT 66mm / +6 Crank / 34/29 Head ASS-GD-0590 High quality O-ring chain seals

High quality O-ring chain seals in lube and keeps water and mud out

Larger Exhaust Cut Out

Black or Red anodized

1 inch taller than stock

Forged Piston and Ring Set for BRT 66mm / +6 Crank / 34/29 Head ASS-GD-0590 High quality O-ring chain sealsBRT Replacement 66mm Forged Piston and Ring Set KLX140 Please Select Compression Ratio from drop down. (14: 1 Compression ratio can ONLY be used with high octane race fuels) This is a brand new 66mm forged piston and ring set used on the BRT big bore kits w 34 29 head and +6mm Cranks. Does not work with any other combo. Includes: Wrist Pin Rings Clips and 66mm Forged Piston Piston pin is 14mm We also have performance CDI's to increase rpm limiter,