SMP Vacuum Operated Switch Kit - Harley & Indian V-Twin
About SMP
Standard Motor Products supplies ignition, sensor and electrical components across the automotive and powersports markets, with V-twin parts covering switches, sensors and ignition hardware.
Unlock precise tuning capabilities for your carbureted V-twin with this SMP Vacuum Operated Switch Kit. This self-assembly kit allows for custom calibration, essential for dialing in ignition timing and managing emissions on modified engines. Each unit is rigorously factory calibrated and vacuum-tested to ensure accurate and reliable performance.
Why riders pick this
- Customizable calibration for carbureted V-twin engines
- Controls ignition timing and emissions functions
- Manufactured from high-tech engineered thermoplastic
- Every unit is 100% factory calibrated and vacuum-tested
- Complete self-assembly kit with all hardware and instructions
The SMP Vacuum Operated Switch (VOES) Kit is a critical component for riders looking to fine-tune their carbureted Harley-Davidson or Indian Motorcycle. By responding to engine vacuum levels, this switch helps control ignition timing and emissions functions, allowing for a more precise and optimized engine calibration. It's an indispensable tool for custom builds and performance upgrades where factory settings no longer cut it.
Customizable Engine Calibration
- Offers self-assembly with selectable preset calibration levels
- Allows precise adjustment of ignition timing and emissions control
- Engineered from durable, high-tech thermoplastic for longevity
- Each switch is 100% factory calibrated and vacuum-tested for accuracy
- Includes all necessary components for installation: bracket, crimp terminals, and instructions
Built for Performance and Reliability
This VOES kit is designed for performance-minded V-twin owners who demand precise control over their engine's behavior. The self-assembly nature means you can tailor the switch's response to your specific engine modifications and riding style. Whether you're chasing every last bit of torque or ensuring smooth, efficient operation, this SMP kit provides the adjustability needed to get your V-twin running strong.
Specifications
- Brand: Standard Motor Products
- Manufacturer Part #: MCVOS1
- UPC: 091769544539
- Weight: 0.5963 lbs
Common questions
What is a vacuum-operated switch (VOES) used for on a V-twin?
A VOES controls ignition timing and emissions functions on carbureted engines by responding to engine vacuum levels, allowing for custom tuning and calibration.
Does this kit allow for different calibration levels?
Yes, this self-assembly kit lets you select from preset calibration levels to match your specific engine tuning and performance goals.
Is this switch tested for accuracy before shipping?
Absolutely. Each unit is 100% factory calibrated and vacuum-tested to ensure accuracy and reliability right out of the box.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | SMP |
| TYPE | Switches |
| SKU | 275-01150 |
| WEIGHT | 0.6 lb |
