S&S Cycle® - Forged Stroker Piston Set

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$446.95
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Vehicle Fitment

MakeModelYear
Harley DavidsonDisc Glide 1983-1984
E 1936-1937, 1941-1950
EL 1936-1952
Electra Glide 1970-1984
Electra Glide Classic 1979-1981, 1983-1984
Electra Glide Sport 1980-1984
ELF 1952
ELS 1951-1952
ES 1936-1946, 1950
F 1942-1950
Fat Bob 1979-1984
FL 1941-1948
FLB Electra Glide 1965-1969
FLE 1953-1956
FLEF 1953-1956
FLF 1952-1957
FLH Electra Glide Anniversary 1978
FLH Electra Glide Heritage 1981
FLHB 1965-1969
FLHF 1955-1957, 1970-1972, 1974-1975
FLHP Electra Glide Police 1981
FLHS Electra Glide Sport 1977
FLS Hydra Glide 1951-1952
Low Glide 1982-1984
Low Rider 1977-1982
Servi-Car 1949
Softail Standard 1984
Sport Glide 1983-1984
Sturgis 1980-1982
Super Glide 1971-1984
Super Glide II 1982-1984
Tour Glide 1980-1983
Tour Glide Classic 1981-1984
U 1937-1948
UH 1937-1940
UL 1937-1948
ULH 1937-1940
VD 1936
VLD 1936
VLH 1936
Wide Glide 1980-1984

Product Details

Forged Stroker Piston Set by S&S Cycle®. These 3-7/16" +.060" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® stroker flywheels. These pistons are normally used in stock HD® cylinders, and must be purchased separately, based on the required piston oversize. The modern alloys used in these pistons, coupled with the advanced skirt profiles, allow them to be fit tighter resulting in low engine noise and long engine life. In the past, this could only be achieved with weaker cast pistons. Cylinders are available from S&S® for 1941-'47 and 1966-'84 models. S&S® offers machine shop services through the S&S® Service and Speed Center. New pistons can be fit to your existing cylinders for a reasonable charge.

Notes

  • Since many older motorcycles have been modified, be sure to confirm that your engine is still stock before ordering replacement pistons. 1936-'53 61" engines require 74" cylinders in order to use these pistons. Oversizes in this piston series are based on the bore of 74" cylinders (3-7/16"). If ordering pistons for an 80" engine, standard bore is 3-1/2", or 3-7/16" +.060"
  • This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME

Features

  • Can be used in 84", 4-1/2" stroke, 86", 4-5/8" stroke, and 88", 4-3/4" stroke, stock bore stroker engines with stock diameter flywheels
  • The modern alloys used in these pistons, coupled with the advanced skirt profiles, result in low engine noise and long engine life that could only be achieved with cast pistons in the past
  • S&S will fit these pistons to your existing cylinders when purchasing new cylinders, pistons can be fit to them as an option
  • Made in USA
  • Precise engineering ensures the latest in quality
  • Expertly manufactured from highly reliable materials
  • Rigorous quality control and great functionality

Forged, stock bore stroker piston, which replaces several cast and forged piston series that S&S® previously offered.

Flywheels of the following strokes may be used for the following displacements:

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

Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.

Brand:
Part Number:
106-5779
Alternate MPN:
1065779

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