Each piston is subjected to a battery of quality control checks to assure uniformity and high quality. Some of the world's fastest motorcycles are equipped with MTC Engineering pistons. This MTC Engineering piston kit contains the following: (4) 83mm aluminum forged pistons. (4) Hard chromed wrist pins.
(4) Sets of 83mm rings. (with three piece oil ring) (8) Teflon buttons sized for a 83mm bore. (buttons take the place of circlips) (1) Cometic one piece copper head gasket. The displacement for 83mm pistons is 1428cc.
If you have ever seen what a dislodged circlip can do to a piston and cylinder, you would never use them again. Your cost includes everything shown in the picture. This piston kit will fit Kawasaki Z1, KZ900 and KZ1000 models. This covers all models from 1973 through 1980.The pistons in the picture are 13.5:1 compression ratio. They are also available in 7.8:1 for turbo applications and 10.5:1. These are for serious racing applications.
This set of pistons requires the use of a Big Block. The pistons have 17mm wrist pins and are available with 18mm wrist pins.They have valve reliefs sized for 39mm intake valves and 33mm exhaust valves. PIT STOP PERFORMANCE offers a complete machine shop service. I can provide you with any product made by MTC Engineering. Joe at Pit Stop Performance dot com (no spaces). The item "MTC-K1428H Kawasaki 1973-1980 Z1 to KZ1000 Big Bore Piston Kit Super Pro 1428cc" is in sale since Thursday, March 20, 2014. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "jjhooper" and is located in Orlando, Florida. This item can be shipped worldwide.