Twin Power 37-99 Big Twin Except 99 Twin Cam Oil Pump Check Ball Replaces H-D 8866

Twin Power's Oil Pump Check Ball for 1937-1999 Big Twin models (excluding 1999 Twin Cam) is a precision steel component that works with the pump check system to help maintain proper oil pressure, prevent drain back when the engine is off, and provide a reliable replacement option for worn or pitted original parts in stock or rebuilt motors.

This Part Fits:

Year	Make	Model	Submodel
1971-1980	Harley-Davidson	FLH Electra Glide	Base
1994-1998	Harley-Davidson	FLHR Road King	Base
1998	Harley-Davidson	FLHRCI Road King Classic	Base
1996-1997	Harley-Davidson	FLHRI Road King	Base
1980-1984,1987-1993	Harley-Davidson	FLHS Electra Glide Sport	Base
1986-1998	Harley-Davidson	FLHT Electra Glide Standard	Base
1983-1998	Harley-Davidson	FLHTC Electra Glide Classic	Base
1996-1998	Harley-Davidson	FLHTCI Electra Glide Classic	Base
1989-1997	Harley-Davidson	FLHTCU Electra Glide Ultra Classic	Base
1995-1998	Harley-Davidson	FLHTCUI Electra Glide Ultra Classic	Base
1986-1990	Harley-Davidson	FLST Heritage Softail	Base
1988-1999	Harley-Davidson	FLSTC Heritage Softail Classic	Base
1990-1999	Harley-Davidson	FLSTF Fat Boy	Base
1993	Harley-Davidson	FLSTN Heritage Softail Nostalgia	Base
1994-1996	Harley-Davidson	FLSTN Heritage Softail Special	Base
1997-1999	Harley-Davidson	FLSTS Heritage Springer	Base
1971-1978	Harley-Davidson	FX Super Glide	Base
1980-1982	Harley-Davidson	FXB Sturgis	Base
1995-1998	Harley-Davidson	FXD Dyna Super Glide	Base
1983	Harley-Davidson	FXDG Disc Glide	Base
1993-1998	Harley-Davidson	FXDL Dyna Low Rider	Base
1993-1998	Harley-Davidson	FXDWG Dyna Wide Glide	Base
1974-1984	Harley-Davidson	FXE Super Glide	Base
1979-1985	Harley-Davidson	FXEF Fat Bob	Base
1987-1994	Harley-Davidson	FXLR Low Rider Custom	Base
1977-1982	Harley-Davidson	FXS Low Rider	Base
1983-1985	Harley-Davidson	FXSB Low Rider - Belt	Base
1984-1999	Harley-Davidson	FXST Softail Standard	Base
1999	Harley-Davidson	FXSTB Night Train	Base
1986-1999	Harley-Davidson	FXSTC Softail Custom	Base
1988-1999	Harley-Davidson	FXSTS Springer Softail	Base
1995-1997	Harley-Davidson	FXSTSB Bad Boy	Base
1980-1986	Harley-Davidson	FXWG Wide Glide	Base
1958-1976	Harley-Davidson	XLCH	Base