# S&S Cycle 48-77 BT Breather Gear Kit

Breather gear kit for 1948 - early 1977 big twin. Standard size replacement for use in cases where original breather gear hole has not been modified. Kit comes with standard size breather gear and one of each of the following shims: .100", .110", .120", .130", .140", .150", .160" and .170" to properly set breather gear spacing.

This Part Fits:

Year

Make

Model

Submodel

1948-1962

Harley-Davidson

FL

Base

1953,1955-1959

Harley-Davidson

FLF

Base

1958-1959

Harley-Davidson

FLH Duo-Glide

Base

1970-1977

Harley-Davidson

FLH Electra Glide

Base

1955-1957

Harley-Davidson

FLH Hydra-Glide

Base

1955-1959

Harley-Davidson

FLHF

Base

1971-1977

Harley-Davidson

FX Super Glide

Base

## Details

- **Price:** 260.72 CAD
- **Vendor:** S&S Cycle
- **Type:** Final Drive Gears

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 260.72 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/s-s-cycle-48-77-bt-breather-gear-kit)
> Updated: 2026-07-13