# Twin Power 70-E78 FL FX 71-78 XL Needle Bearing Advance Unit Kit Replaces H-D 32515-85T

A complete advance unit kit updated with needle bearings for long life. The Twin Power™ Needle Bearing Advance Kit is a top quality advance unit with needle bearings at the advance weight pivot. It provides long term advance unit reliability. It can also be used to replace electronic ignition on 79-03 XL and L78-99 Big Twin.

-   Helps maintain consistent timing advance, improving throttle response and overall rideability on Shovelhead-era engines
-   Complete kit includes the advance unit and related hardware for straightforward installation on points-style ignitions.
-   Updated with needle bearings at the advance weight pivots for reduced friction and extended service life.

This Part Fits:

Year

Make

Model

Submodel

1971-1978

Harley-Davidson

FLH Electra Glide

Base

1971-1978

Harley-Davidson

FX Super Glide

Base

1974-1978

Harley-Davidson

FXE Super Glide

Base

1977-1978

Harley-Davidson

FXS Low Rider

Base

1971-1978

Harley-Davidson

XLCH

Base

1977-1978

Harley-Davidson

XLCR Cafe Racer

Base

1977-1978

Harley-Davidson

XLT

Base

## Details

- **Price:** 161.56 CAD
- **Vendor:** TwinPower
- **Type:** Distributors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 161.56 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/twin-power-70-e78-fl-fx-71-78-xl-needle-bearing-advance-unit-kit-replaces-h-d-32515-85t)
> Updated: 2026-07-14