# Twin Power 80-99 Big Twin 5 Speed Transmission Main and Countershaft Bearing Replaces H-D 8998

Twin Power 80-99 Big Twin 5 Speed Transmission Main and Countershaft Bearing Replaces H-D 8998

-   Supports both mainshaft and countershaft to help maintain proper gear alignment and engagement
-   Direct replacement for the OEM bearing, ideal for rebuilds or preventive maintenance
-   Built for long service life in 80-99 Big Twin 5-speed transmissions

This Part Fits:

Year

Make

Model

Submodel

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

1986-1999

Harley-Davidson

FLHT Electra Glide Standard

Base

1983-1998

Harley-Davidson

FLHTC Electra Glide Classic

Base

1996-1999

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

1988-1998

Harley-Davidson

FLSTC Heritage Softail Classic

Base

1990-1998

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

1980-1983

Harley-Davidson

FLT Tour Glide

Base

1996

Harley-Davidson

FLTCUI Tour Glide Ultra Classic

Base

1998-1999

Harley-Davidson

FLTR Road Glide

Base

1998-1999

Harley-Davidson

FLTRI Road 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

1994-1998

Harley-Davidson

FXDS-Conv Dyna Convertible

Base

1993-1998

Harley-Davidson

FXDWG Dyna Wide Glide

Base

1980-1984

Harley-Davidson

FXE Super Glide

Base

1980-1985

Harley-Davidson

FXEF Fat Bob

Base

1987-1994

Harley-Davidson

FXLR Low Rider Custom

Base

1982-1994

Harley-Davidson

FXR Super Glide II

Base

1985-1987

Harley-Davidson

FXRC Low Rider Chrome

Base

1986

Harley-Davidson

FXRD Sport Glide Grand Touring

Base

1984

Harley-Davidson

FXRDG Disc Glide

Base

1985-1995

Harley-Davidson

FXRPF Police

Base

1982-1992

Harley-Davidson

FXRS Low Glide

Base

1990-1994

Harley-Davidson

FXRS-Conv Low Rider Sport Convertible

Base

1986-1993

Harley-Davidson

FXRS-SP Low Rider Sport

Base

1983-1992

Harley-Davidson

FXRT Sport Glide

Base

1980-1982

Harley-Davidson

FXS Low Rider

Base

1983-1985

Harley-Davidson

FXSB Low Rider - Belt

Base

1984-1998

Harley-Davidson

FXST Softail Standard

Base

1986-1998

Harley-Davidson

FXSTC Softail Custom

Base

1988-1998

Harley-Davidson

FXSTS Springer Softail

Base

1995-1997

Harley-Davidson

FXSTSB Bad Boy

Base

1980-1986

Harley-Davidson

FXWG Wide Glide

Base

## Details

- **Price:** 42.02 CAD
- **Vendor:** TwinPower
- **Type:** Bearings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 42.02 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/twin-power-80-99-big-twin-5-speed-transmission-main-and-countershaft-bearing-replaces-h-d-8998)
> Updated: 2026-07-01