# S&S Cycle 84-99 BT 89in Low Compression Stroker Pistons - Standard

These low compression 3-1/2" bore forged stroker pistons for 1984-'99 HD® big twins are a low compression option for 89" stroker kits for 1984-'99 with 4-5/8" stroke flywheels and S&S® Super Stock heads. 10.5:1 compression . Standard bore.

This Part Fits:

Year

Make

Model

Submodel

1994-1998

Harley-Davidson

FLHR Road King

Base

1984,1987-1993

Harley-Davidson

FLHS Electra Glide Sport

Base

1986-1998

Harley-Davidson

FLHT Electra Glide Standard

Base

1989-1997

Harley-Davidson

FLHTC Electra Glide 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

1989-1993

Harley-Davidson

FLTC Tour Glide Classic

Base

1996

Harley-Davidson

FLTCUI Tour Glide Ultra Classic

Base

1998

Harley-Davidson

FLTR Road Glide

Base

1995-1998

Harley-Davidson

FXD Dyna Super Glide

Base

1992

Harley-Davidson

FXDB-D Dyna Glide Daytona

Base

1992

Harley-Davidson

FXDC Super Glide Custom

Base

1993-1998

Harley-Davidson

FXDL Dyna Low Rider

Base

1993-1998

Harley-Davidson

FXDWG Dyna Wide Glide

Base

1986-1994

Harley-Davidson

FXR Super Glide II

Base

1984-1999

Harley-Davidson

FXST Softail Standard

Base

1999

Harley-Davidson

FXSTB Night Train

Base

1988-1999

Harley-Davidson

FXSTS Springer Softail

Base

1995-1997

Harley-Davidson

FXSTSB Bad Boy

Base

## Details

- **Price:** 693.57 CAD
- **Vendor:** S&S Cycle
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 693.57 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/s-s-cycle-84-99-bt-89in-low-compression-stroker-pistons-standard)
> Updated: 2026-07-01