Skip to content

S&S CYCLE 84" 86" or 88" 3-7/16" Bore Cylinder and Stroker Piston Kit for '66-'84 HD® Big Twins - Gloss Black FInish - 91-9017

SKU 91-9017
Original price $3,682.95 - Original price $3,682.95
Original price
$3,682.95
$3,682.95 - $3,682.95
Current price $3,682.95

🚚 Estimated Delivery: 14 Jul - 21 Jul

This 3-7/16" bore cylinder and piston kit can be used to build 84", 86", or 88" stroker engines, or the replace the cylinders and piston in an engine with an existing S&S® stock bore stroker kit.

Kit includes S&S 3-7/16" bore high tensile cast iron cylinders, 3-7/16" bore forged stroker pistons with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts, base gaskets. This kit can be used in engines with 4-1/2", 4-5/8" or 4-3/4" stroke flywheels.

  • 4-1/2" Stroke - 84" - 8.4:1 Compression
  • 4-5/8" Stroke - 86" - 9.4:1 Compression
  • 4-3/4" Stroke - 88" - 10.8:1 Compression
  • Includes 3.4375" bore high tensile cast iron cylinders, 3.4375" bore forged pistons with rings and wristpins, head gaskets, S&S stainless steel head bolts with washers, base nuts and base gaskets
  • Made in the U.S.A.

 

Fitment Guide
1984 Harley-Davidson FLHX Electra Glide Special - -
1983-1984 Harley-Davidson FXSB Low Rider - Belt - -
1983 Harley-Davidson Electra Glide Standard FLHT - -
1983 Harley-Davidson FLHTC Electra Glide Classic - -
1983 Harley-Davidson FXDG Disc Glide - -
1983 Harley-Davidson FXRT Sport Glide - -
1982-1983 Harley-Davidson FXR Super Glide II - -
1982-1983 Harley-Davidson Super Glide II FXRS - -
1981-1983 Harley-Davidson FLTC Tour Glide Classic - -
1981-1982 Harley-Davidson Electra Glide Classic FLH - -
1981 Harley-Davidson Electra Glide Heritage FLH - -
1981 Harley-Davidson FXEF Fat Bob - -
1980-1984 Harley-Davidson FXWG Wide Glide - -
1980-1983 Harley-Davidson FLT Tour Glide - -
1980-1982 Harley-Davidson FLHS Electra Glide Sport - -
1980-1982 Harley-Davidson FXB Sturgis - -
1980 Harley-Davidson Tour Glide Classic FLTC - -
1979-1980 Harley-Davidson 1200 Fat Bob FXEF - -
1979-1980 Harley-Davidson 1200 Super Glide FXE - -
1979-1980 Harley-Davidson Super Glide 80 FXE - -
1979-1980 Harley-Davidson Fat Bob FXEF - -
1979 Harley-Davidson 1200 Low Rider FXS - -
1979 Harley-Davidson Electra Glide FLH - -
1979 Harley-Davidson Low Rider FXS - -
1977-1978, 1980-1982 Harley-Davidson FXS Low Rider - -
1974-1978, 1981-1984 Harley-Davidson FXE Super Glide - -
1971-1978 Harley-Davidson FX Super Glide - -
1970-1978, 1980-1984 Harley-Davidson FLH Electra Glide - -
1966-1980 Harley-Davidson Electra Glide FL - -
1966-1969, 1978-1980 Harley-Davidson 1200 Electra Glide FLH - -
Specs
PRODUCT NAME CYLINDER AND PISTON KIT
TYPE STOCK BORE CYLINDER
BASE COLOR BLACK
FINISH GLOSS BLACK
MATERIAL CAST IRON
BORE SIZE 3.4375"
DISPLACEMENT 88" / 84" / 86"
COMPRESSION RATIO 8.4:1
UNITS KIT
RIDING STYLE STREET

Delivery Info

Please Note - Warehouse Locations For This Part -

S&S CYCLE 84" 86" or 88" 3-7/16" Bore Cylinder and Stroker Piston Kit for '66-'84 HD® Big Twins - Gloss Black FInish - 91-9017

Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.

Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.