Pistons and Rings 650 .020 JCC EMGO for Triumph w/ American Cycle Pro Rings
New set of pistons and rings .020 over for a 650 Triumph with a 8.5:1 ratio. These will work in pre unit as well as unit right through1972. We are selling these with the understanding that the buyer will be having the cylinders bored properly, honed with the correct grit for a cast iron ring (150) and most importantly be sure to thoroughly wash the cylinders with hot, soapy water after machining. These pistons and rings have been used for well over 30 years and are proven to be a great, affordable set. We are not responsible for any errors that may occur in installation, especially broken rings. We are happy to assist you how ever we can in the process. We have top end kits, ring and compressor tools and everything else you may need to do your top end. Please ask for any technical advice you may need.