ENGINE

MODEL

YEAR(S)

PERF-FORM #

OEM #

1200

FL & FX

1953-82

HD-1

63837-92T

1340

FX Models

1979-82

HD-1

63837-92T

1340

FXST / FXSTB / FXSTC / FXSTS

1984-98

HD-2L
HD-2CI

63731-99

1340

FLSTC / FLSTF / FLSTS

1980-98

HD-2L
HD-2CI

63731-99

1340

FX / FXE / FXS / FXWG

1982-86

HD-2L
HD-2CI

63805-80A

1450

FXST / FXSTB / FXSTD / FXSTS

1999-03

HD-2L
HD-2CI

 63805-80A

1450

FLSTC / FLSTF / FLSTS

1999-03

HD-2L
HD-2CI

 63805-80A

SPORTSTERS

ENGINE

MODEL

YEAR(S)

PERF-FORM #

OEM #

883

XL / XLH

1984-03

HD-2L
HD-2CI

63731-99

1000

KH / XL / XLH / XLCH

1954-78

HD-1

63837-92T

1000

XL / XLS / XLX

1980-84

HD3
HD3C

63810-80A

1200

XL / XLC / XLCH / XLH

1988-03

HD-2L
HD-2CI

63731-99 

DYNA GLIDES

ENGINE

MODEL

YEAR(S)

PERF-FORM #

OEM #

1340

FXD / FXDL / FXDWG

1991-98

HD4
HD4C

63812-90

1450

FXD / FXDL / FXDWG / FXDX

1999-04

HD-2L
HD-2CI

63805-80A

TOURING

ENGINE

MODEL

YEAR(S)

PERF-FORM #

OEM #

1340

FLH-80 / FLH-80 Classic

1979-84

HD-1

63837-92T

1340

FLHR / FLHT / FLHTC

1980-98

HD-2L
HD-2CI

63731-99

1340

FLT / FLTC / FLTR

1980-98

HD-2L
HD-2CI

63731-99

1450

FLHR / FLHT / FLHTC

1999-03

HD-2L
HD-2CI

63805-80A

1450

FLTR / FLTRI

1999-03

HD-2L
HD-2CI

63805-80A

V-ROD

ENGINE

MODEL

YEAR(S)

PERF-FORM #

OEM #

1130

VRSCA   V ROD

2002-03

HD-V

63793-01K

Note:  The Perf-form HD-1 is a Harley 63837-92T and it replaces the OE # 63840-53

Note:  The Perf-form HD-1 is a Harley 63837-92T and it replaces the OE # 63840-53