Forged Piston and Ring Set for BRT 66mm / +6 Crank / 34/29 Head ASS-GD-0590 This should be done when

This should be done when you first hook the ECU to your bike

Anodized black with machined finish

1 inch taller than stock

330mm long rear shocks

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

Forged Piston and Ring Set for BRT 66mm / +6 Crank / 34/29 Head ASS-GD-0590 This should be done whenBRT 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,