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Over 160K Powersport Items - In-Stock and ready to ship today! View tires, apparel, helmets, exhaust and more!
KB Performance Piston Kit - KB294-STD
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KB Performance Piston Kit - KB294-STD

  • Part #:
    H13211
  • Manufacturer Part #:
    KB294-STD
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Overview of KB Performance Piston Kit - KB294-STD

  • 88 in. Big Bore Big Twin (3.625 in. bore/4.250 in. stroke) 48-84
  • Originally designed by Keith Black, these pistons provide a tighter fit and longer piston and ring life
  • Made from high-strength T6 heat-treated, 390 hypereutectic alloy, then diamond-machined and held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005 in.) tolerances from piston to piston
  • Each kit contains two pistons, pins, spiro-lock pin clips and Hastings moly rings
  • Replacement rings also available separately Part no. H1319R (enough for one piston)
  • Replacement spiro-lock pin clips Part no. 148980 (4pk)
  • Made in the U.S.A.

    NOTE:
    KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions furnished with piston for correct piston clearance.

    Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.

    This fits all 88 in. Big Bore Big Twin models 1948-84

    Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

Specs for KB Performance Piston Kit - KB294-STD

Bore Size 3.625 in.
Compression Ratio 10:1
Type Piston Kit
Units Each
Weight 2.75 lbs

Specs for KB Performance Piston Kit - KB294-STD

Bore Size 3.625 in.
Compression Ratio 10:1
Type Piston Kit
Units Each
Weight 2.75 lbs

Fitment for KB Performance Piston Kit - KB294-STD

See if this part fits your ride

Part H13211 fits the following machines

Harley-Davidson
  • 1983 Harley-Davidson Disc Glide - FXDG
  • 1984 Harley-Davidson Disc Glide - FXRDG
  • 1964 Harley-Davidson Duo Glide - FL
  • 1963 Harley-Davidson Duo Glide - FL
  • 1962 Harley-Davidson Duo Glide - FL
  • 1961 Harley-Davidson Duo Glide - FL
  • 1960 Harley-Davidson Duo Glide - FL
  • 1959 Harley-Davidson Duo Glide - FL
  • 1958 Harley-Davidson Duo Glide - FL
  • 1984 Harley-Davidson Electra Glide - FLH
  • 1983 Harley-Davidson Electra Glide - FLH
  • 1982 Harley-Davidson Electra Glide - FLH
  • 1981 Harley-Davidson Electra Glide - FLH
  • 1978 Harley-Davidson Electra Glide - FLH
  • 1977 Harley-Davidson Electra Glide - FLH
  • 1976 Harley-Davidson Electra Glide - FLH
  • 1975 Harley-Davidson Electra Glide - FLH
  • 1974 Harley-Davidson Electra Glide - FLH
  • 1973 Harley-Davidson Electra Glide - FLH
  • 1972 Harley-Davidson Electra Glide - FLH
  • 1971 Harley-Davidson Electra Glide - FLH
  • 1970 Harley-Davidson Electra Glide - FLH
  • 1969 Harley-Davidson Electra Glide - FLH
  • 1968 Harley-Davidson Electra Glide - FLH
  • 1967 Harley-Davidson Electra Glide - FLH
  • 1966 Harley-Davidson Electra Glide - FLH
  • 1965 Harley-Davidson Electra Glide - FLH
  • 1980 Harley-Davidson Electra Glide - FLH-80
  • 1979 Harley-Davidson Electra Glide - FLH-80
  • 1981 Harley-Davidson Electra Glide - FLHS
  • 1980 Harley-Davidson Electra Glide - FLHS
  • 1977 Harley-Davidson Electra Glide - FLHS
  • 1981 Harley-Davidson Electra Glide Classic - FLHC
  • 1980 Harley-Davidson Electra Glide Classic - FLHC
  • 1979 Harley-Davidson Electra Glide Classic - FLHC
  • 1984 Harley-Davidson Electra Glide Classic - FLHTC
  • 1981 Harley-Davidson Electra Glide Heritage - FLH
  • 1984 Harley-Davidson Electra Glide Special - FLHX
  • 1984 Harley-Davidson Electra Glide Sport - FLHS
  • 1983 Harley-Davidson Electra Glide Sport - FLHS
  • 1982 Harley-Davidson Electra Glide Sport - FLHS
  • 1965 Harley-Davidson Electra Glide Super Sport - FLHFB
  • 1954 Harley-Davidson F
  • 1953 Harley-Davidson F
  • 1952 Harley-Davidson F
  • 1951 Harley-Davidson F
  • 1950 Harley-Davidson F
  • 1949 Harley-Davidson F
  • 1948 Harley-Davidson F
  • 1981 Harley-Davidson Fat Bob - FXEF
  • 1980 Harley-Davidson Fat Bob - FXEF
  • 1979 Harley-Davidson Fat Bob - FXEF-80
  • 1978 Harley-Davidson FL
  • 1977 Harley-Davidson FL
  • 1976 Harley-Davidson FL
  • 1975 Harley-Davidson FL
  • 1974 Harley-Davidson FL
  • 1973 Harley-Davidson FL
  • 1972 Harley-Davidson FL
  • 1971 Harley-Davidson FL
  • 1970 Harley-Davidson FL
  • 1969 Harley-Davidson FL
  • 1968 Harley-Davidson FL
  • 1967 Harley-Davidson FL
  • 1966 Harley-Davidson FL
  • 1965 Harley-Davidson FL
  • 1964 Harley-Davidson FL
  • 1963 Harley-Davidson FL
  • 1962 Harley-Davidson FL
  • 1961 Harley-Davidson FL
  • 1960 Harley-Davidson FL
  • 1959 Harley-Davidson FL
  • 1958 Harley-Davidson FL
  • 1957 Harley-Davidson FL
  • 1956 Harley-Davidson FL
  • 1955 Harley-Davidson FL
  • 1954 Harley-Davidson FL
  • 1953 Harley-Davidson FL
  • 1952 Harley-Davidson FL
  • 1951 Harley-Davidson FL
  • 1950 Harley-Davidson FL
  • 1949 Harley-Davidson FL
  • 1948 Harley-Davidson FL
  • 1964 Harley-Davidson FLH
  • 1963 Harley-Davidson FLH
  • 1962 Harley-Davidson FLH
  • 1961 Harley-Davidson FLH
  • 1960 Harley-Davidson FLH
  • 1959 Harley-Davidson FLH
  • 1958 Harley-Davidson FLH
  • 1957 Harley-Davidson FLH
  • 1956 Harley-Davidson FLH
  • 1955 Harley-Davidson FLH
  • 1970 Harley-Davidson FS
  • 1969 Harley-Davidson FS
  • 1968 Harley-Davidson FS
  • 1967 Harley-Davidson FS
  • 1966 Harley-Davidson FS
  • 1965 Harley-Davidson FS
  • 1964 Harley-Davidson FS
  • 1963 Harley-Davidson FS
  • 1962 Harley-Davidson FS
  • 1961 Harley-Davidson FS
  • 1960 Harley-Davidson FS
  • 1959 Harley-Davidson FS
  • 1958 Harley-Davidson FS
  • 1957 Harley-Davidson FS
  • 1956 Harley-Davidson FS
  • 1955 Harley-Davidson FS
  • 1954 Harley-Davidson FS
  • 1953 Harley-Davidson FS
  • 1952 Harley-Davidson FS
  • 1951 Harley-Davidson FS
  • 1950 Harley-Davidson FS
  • 1949 Harley-Davidson FS
  • 1948 Harley-Davidson FS
  • 1957 Harley-Davidson Hydra Glide - FL
  • 1956 Harley-Davidson Hydra Glide - FL
  • 1955 Harley-Davidson Hydra Glide - FL
  • 1954 Harley-Davidson Hydra Glide - FL
  • 1953 Harley-Davidson Hydra Glide - FL
  • 1952 Harley-Davidson Hydra Glide - FL
  • 1951 Harley-Davidson Hydra Glide - FL
  • 1950 Harley-Davidson Hydra Glide - FL
  • 1949 Harley-Davidson Hydra Glide - FL
  • 1982 Harley-Davidson Low Rider - FXS
  • 1981 Harley-Davidson Low Rider - FXS
  • 1978 Harley-Davidson Low Rider - FXS
  • 1977 Harley-Davidson Low Rider - FXS
  • 1980 Harley-Davidson Low Rider - FXS-80
  • 1979 Harley-Davidson Low Rider - FXS-80
  • 1984 Harley-Davidson Low Rider - FXSB
  • 1983 Harley-Davidson Low Rider - FXSB
  • 1984 Harley-Davidson Softail - FXST
  • 1983 Harley-Davidson Sport Glide - FXRT
  • 1982 Harley-Davidson Sturgis - FXB
  • 1981 Harley-Davidson Sturgis - FXB
  • 1980 Harley-Davidson Sturgis - FXB
  • 1978 Harley-Davidson Super Glide - FX
  • 1977 Harley-Davidson Super Glide - FX
  • 1976 Harley-Davidson Super Glide - FX
  • 1975 Harley-Davidson Super Glide - FX
  • 1974 Harley-Davidson Super Glide - FX
  • 1973 Harley-Davidson Super Glide - FX
  • 1972 Harley-Davidson Super Glide - FX
  • 1971 Harley-Davidson Super Glide - FX
  • 1984 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide - FXE
  • 1982 Harley-Davidson Super Glide - FXE
  • 1981 Harley-Davidson Super Glide - FXE
  • 1978 Harley-Davidson Super Glide - FXE
  • 1977 Harley-Davidson Super Glide - FXE
  • 1976 Harley-Davidson Super Glide - FXE
  • 1975 Harley-Davidson Super Glide - FXE
  • 1974 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide II - FXR
  • 1982 Harley-Davidson Super Glide II - FXR
  • 1983 Harley-Davidson Super Glide II - FXRS
  • 1982 Harley-Davidson Super Glide II - FXRS
  • 1983 Harley-Davidson Tour Glide - FLT
  • 1982 Harley-Davidson Tour Glide - FLT
  • 1981 Harley-Davidson Tour Glide - FLT
  • 1980 Harley-Davidson Tour Glide - FLT
  • 1984 Harley-Davidson Tour Glide Classic - FLTC (Early Model)
  • 1984 Harley-Davidson Tour Glide Classic - FLTC (Late Model)
  • 1984 Harley-Davidson Wide Glide - FXWG
  • 1983 Harley-Davidson Wide Glide - FXWG
  • 1982 Harley-Davidson Wide Glide - FXWG
  • 1981 Harley-Davidson Wide Glide - FXWG
  • 1980 Harley-Davidson Wide Glide - FXWG
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Instructions and Manuals for KB Performance Piston Kit - KB294-STD

Instruction Manual Instruction Manual PDF 1.6 MiB

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