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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

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

by S&S CYCLE
SKU 91-9017
$3,592.95 - $3,592.95
$3,592.95
$3,592.95 - $3,592.95
$3,592.95

🚚 Estimated Delivery: 24 Oct - 31 Oct

CONFIRM FITMENT BEFORE ORDERING

Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.

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.

 

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

Fitment Guide

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