TwinPower
Twin Power 70-E78 FL FX 71-78 XL Circuit Breaker Cam Replaces H-D 32542-70 TA - 492666
- SKU:
- TWP492666
- UPC:
- 887337165691
- MPN:
- 492666
- Availability:
- Regularly stocked product
Description
What is a circuit breaker cam?
A circuit breaker cam is a critical component within motorcycle distributors that precisely times spark plug firing for optimal engine operation.
How do I know if I need a new circuit breaker cam?
Replacing your distributor's circuit breaker cam restores reliable ignition timing, ensuring your engine fires up and runs smoothly every time.
TWP Circuit Breaker Cams for your 1971-1978 Harley-Davidson FX Super Glide, FXE Super Glide, and FXS Low Rider restore reliable ignition timing for consistent engine performance, earning a top score in Street Performance and Engine Performance usage. These cams precisely replace H-D 32542-70TA, ensuring a direct fit. Trust TwinPower for foundational ignition component integrity and confident engine operation.
Key Features
- Replaces H-D 32542-70 TA
- Replaces H-D 32542-70TA
- Sold in a pack of 10
- 70-E78 FL FX 71-78 XL
Why Choose the TWP Circuit Breaker Cams
Restores reliable ignition timing for consistent engine performance.
Ensures your engine fires up and runs smoothly every time.
Provides a direct fit for a hassle-free installation experience.
Offers a complete set for comprehensive ignition system maintenance.
Who Is This For?
Street Performance — 7/10
Restores reliable ignition timing for consistent engine performance.
Engine Performance — 7/10
Restores reliable ignition timing for consistent engine performance.
Easy DIY Install — 6/10
Replaces specific H-D part numbers, implies direct fit.
Daily Driving Comfort — 5/10
Consistent engine performance contributes to smoother operation.
Racing Competition — 4/10
Reliable timing is foundational for racing performance.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1974–1978 | Harley-Davidson | FXE Super Glide | Base |
| 1977–1978 | Harley-Davidson | FXS Low Rider | Base |
| 1971–1978 | Harley-Davidson | FX Super Glide | Base |
| 1971–1978 | Harley-Davidson | XLCH | Base |
| 1977–1978 | Harley-Davidson | XLCR Cafe Racer | Base |
| 1977–1978 | Harley-Davidson | XLT | Base |
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
Browse More: Shop All Distributors — Ignition
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 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 |
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Case Lot Quantity: |
1 |
Category: |
Ignition>Distributors |
Clearance Item: |
N |
MPN: |
492666 |
Proposition 65: |
N |
Product Level: |
Budget Upgrade |
Street Performance: |
7/10 |
Engine Performance: |
7/10 |
Easy DIY Install: |
6/10 |
Daily Driving Comfort: |
5/10 |
Racing Competition: |
4/10 |
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