KLX 140 CNC Head Porting

*Mail-in instructions are provided once order confirmation is received Avail Motorsports has worked hard to put countless hours of testing and years of development on the track with the help of DH1Mods to bring you the best performing cylinder head on the market. Whether you're a back yard rider or a national competitor, this is the solution you're looking for to wake up that bike of yours. After sending us your cylinder head(must be original and unported), we will inspect for any issues, disassemble, and vapor hone to return it to a "like-new" condition before running it through our proprietary CNC program. Turn-around time can be expected to be 3-5 business days from the time it is received here at Avail Motorsports. We will contact you within 24 hours with mail-in instruction.