S&S® 3-1/2" Bore Forged 89" Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - +. These forged 3-1/2 bore stroker pistons for 1984-'99 HD.Big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4-5/8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads.
Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. Piston kits include set of pistons, rings, wristpins, and clips. Recommended cast piston fitment: Close: 0.0008 0.0013 Loose: 0.0020 0.0025.
See Fitment Chart by Clicking Tab Below. This includes but is not limited to items showing signs of installation or attempted/improper installation (mounting marks, scratches, scuffs), mounted tires/wheels, windshields, discolored exhaust, programmed fuel tuners, bluetooth/communication devices, apparel, items installed contrary to manufacturers specifications, seats, etc. All products are warranted against manufacturers defects.Harley-Davidson Evolution Big Twin 84-99 with 4-5/8 Stroke Flywheels. The item "S&S 89 STROKER FORGED 3-1/2 BORE PISTON KIT +. 020 HARLEY 1984-99 EVO 106-5556" is in sale since Friday, December 9, 2016. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "shopthefox" and is located in Milwaukee, Wisconsin. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Croatia, Malaysia, Brazil, Colombia, Bahamas, Viet nam.