31-2037 S&S Shaft circuit breaker gear for Harley-Davidson
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Specifications
- Brand
- S&S
- Part Number
- 31-2037
- OEM Reference
- 25856-36
- Pack Quantity
- Each
- Category
- Circuit Breakers
- VAT Rate
- 20%
About This Product
S&S circuit breaker shaft gear. Stock-style replacement for 1936 to 1969 Big Twin models with 4-speed engines. Restores correct ignition timing drive to the breaker. Replaces OEM 25856-36. Check end float before you lock the timing chest down.
Manufacturer part number: 31-2037.
Fitment
25 models36-69 Big Twin
FL Shovel 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1966–1969 | Electra Glide FLB-1200 |
| Harley-Davidson | 1967–1968 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHFB-1200 |
Flathead 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1938–1945 | Flathead U-1200 |
| Harley-Davidson | 1937–1948 | Flathead UH-1300 |
| Harley-Davidson | 1939–1948 | Flathead UL-1200 |
| Harley-Davidson | 1939–1946 | Flathead ULH-1300 |
| Harley-Davidson | 1936 | Flathead VL-1200 |
| Harley-Davidson | 1936 | Flathead VLH-1300 |
Knucklehead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1936–1947 | Knucklehead E-1000 |
| Harley-Davidson | 1944 | Knucklehead EL-1000 |
| Harley-Davidson | 1937–1947 | Knucklehead F-1200 |
| Harley-Davidson | 1937–1944 | Knucklehead FL-1200 |
Panhead 10 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1965 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1949–1951 | Hydra Glide E-1000 |
| Harley-Davidson | 1952 | Hydra Glide EL-1000 |
| Harley-Davidson | 1950–1952 | Hydra Glide F-1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1954 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1948 | Panhead F-1200 |
Servi-Car 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1965 | Servi-Car GE-750 |
Planning other changes? Find your model in the bike customiser.
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Who are we? Leeds Harley-Davidson - Iron City Motorcycles
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