74478AS2 Advance Unit 36-65 Distrb
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Specifications
- Brand
- Drag Specialties
- Part Number
- 74478AS2
- OEM Reference
- —
- Pack Quantity
- Sold as kt
- Category
- Ignition Component Group
- VAT Rate
- 20%
About This Product
This centrifugal advance unit assembly from Drag Specialties is designed for motorcycles equipped with distributor-style ignitions. The assembly includes the weights, springs, and base plate required to automatically adjust ignition timing based on engine speed. Proper advance function is vital for optimal power delivery and preventing engine knock. Drag Specialties manufactures these units to precise specifications to ensure smooth mechanical operation and long-term reliability in classic V-twin engines. This advance unit assembly is sold as a kit.
Manufacturer part number: 74478AS2.
Fitment
17 models Classic 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1946–1948 | F 1200 |
| Harley-Davidson | 1949–1952 | Hydra Glide F |
74ci (1200cc) Ohv Twin 15 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL |
| Harley-Davidson | 1958–1964 | Duo Glide FLHF |
| Harley-Davidson | 1958–1964 | Duo Glide FLF |
| Harley-Davidson | 1958–1964 | Duo Glide FLH |
| Harley-Davidson | 1965 | Electra Glide FLHFB |
| Harley-Davidson | 1965 | Electra Glide FLB |
| Harley-Davidson | 1965 | Electra Glide FLHB |
| Harley-Davidson | 1965 | Electra Glide FLFB |
| Harley-Davidson | 1941–1948 | FL 1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL |
| Harley-Davidson | 1952–1957 | Hydra Glide FLF |
| Harley-Davidson | 1953–1956 | Hydra Glide FLEF |
| Harley-Davidson | 1953–1956 | Hydra Glide FLE |
| Harley-Davidson | 1955–1957 | Hydra Glide FLHF |
| Harley-Davidson | 1955–1957 | Hydra Glide FLH |
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