Twisted Choppers Custom Motorcycle Ignition Key Switch with Spring Return Start
Upgrade your custom build’s starting ritual with a switch that operates with the same deliberate confidence as a factory ignition. No fumbling with toggles or pushbuttons — turn, hold, and release. Purpose-built for custom choppers, hot rods, and bespoke fabrications where clean operation matters as much as the craftsmanship surrounding it.
Key Features
- Spring return from Start to Run position — no manual key reset required after starting
- Three-position operation: Off, Run, and Start
- No separate starter relay required — solenoid terminal supports direct connection
- Marine-grade construction delivers superior corrosion resistance in harsh environments
- Inner seal between cylinder lock and contact plate prevents moisture intrusion
- Non-conductive housing eliminates risk of accidental shorts
- 6 screw terminals for secure, straightforward wiring
- Includes brass backup nut and hex black plastic face nut
- Includes two keys
Technical Specifications
- Material: Marine-grade glass-filled polyester
- Switch Positions: Off / Run / Start (spring return from Start)
- Terminal Type: 6 screw terminals
- Rated Ignition (I): 15 amp @ 12V DC
- Rated Solenoid (S): 30 amp @ 12V DC
- Rated Choke: 7 amp @ 12V DC
- Required Hole Size: 13/16″
- Maximum Panel Thickness: 5/8″
- Body Diameter: 1-1/2″
- Overall Length: 2-1/4″
- Back Up Nut: Brass
- Face Nut: Hex black plastic
Fitment Notes
- Universal fitment — no vehicle-specific year, make, or model restriction applies
- Compatible with custom motorcycles, choppers, hot rods, and any 12V DC application requiring a spring-return ignition switch
- Verify panel cutout diameter (13/16″) and panel thickness (5/8″ maximum) before installation
- No starter relay required when wiring directly to the solenoid (S) terminal
- Review the Fitment tab for any additional application guidance








Ruben S. –
Holds up the the elements as it’s a marine grade switch. Works perfectly, just like my car ignition!
Donna M Horne –
Part was exactly what I expected
Vince Yannotti –
Seems to be well-made service was prompt delivery as well packaged thank you