# S&S Cycle 36-54 BT 84in Stock Bore Stroker Kit

The S&S Stock Bore Stroker Kit is an economical way to increase the displacement of your engine. This S&S 84" stock bore Hot Set Up Kit upgrades 74" knucklehead and panhead engines to 84" displacement at approximately 8.4:1 or 7.3:1 compression

-   Includes a dynamically balanced 4-1/2" stroke flywheel assembly complete with S&S heavy duty connecting rods and mainshafts
-   Minor crankcase and cylinder modifications are required
-   Piston type determines compression ratio
-   This kit requires special pistons

This Part Fits:

Year

Make

Model

Submodel

1936-1937

Harley-Davidson

E

Base

1936-1947

Harley-Davidson

EL

Base

1941-1949,1953-1954

Harley-Davidson

FL

Base

1953

Harley-Davidson

FLF

Base

## Details

- **Price:** 2287.28 CAD
- **Vendor:** S&S Cycle
- **Type:** Stroker Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2287.28 CAD | In stock |

## Images

- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/s-s-cycle-36-54-bt-84in-stock-bore-stroker-kit)
> Updated: 2026-07-13