Master Battery Cutoff Disconnect Switch and Battery Cable Couplers
Energizing Solutions to satisfy your race car electrical needs
Race Car Battery Disconnect Switches & Battery Cable Couplers — Mandated Safety Equipment for NHRA, NASCAR & SCCA
Battery disconnect switches are required safety equipment for virtually every sanctioned racing series — and a smart addition to any performance vehicle. The Chassis Shop carries the complete Pro-Werks lineup of master cutoff switches, remote activation levers, quick-disconnect battery couplers, and remote battery terminals to keep your electrical system safe, compliant, and race-ready.
Master Battery Cutoff / Disconnect Switches — 175 Amp Continuous, Sanctioning Body Approved
When spliced into the positive battery cable, the Pro-Werks master cutoff switch positively shuts off all electrical current — rated at 175 amps continuous. Required by most sanctioning bodies. Available as a standalone switch or as a complete kit with lever, remote rod, and tee handle.
- Switch Only — 175 Amp Continuous — Pro-Werks Master Battery Cutoff / Disconnect Switch — accepts C72-026 lever for remote cable or linkage activation
- Complete Kit — Switch, Lever, 18" Remote Rod & Tee Handle — Pro-Werks Master Battery Cutoff Switch Kit with Lever, Rod & Tee Handle — everything needed for a complete remote-activation disconnect installation
Billet Aluminum Disconnect Switch Lever — Remote Activation via Cable or Linkage
The Pro-Werks billet aluminum battery cutoff switch lever (C72-026) is CNC-machined and silver anodized for durability. Dual 1/4" diameter holes allow for different activation ratios or multiple cable and linkage connections. Includes stainless steel locking screws. Fits the Pro-Werks C72-025 switch and Cole Hersee-style battery disconnect switches.
- Silver Anodized Billet Aluminum, Dual 1/4" Holes, Stainless Locking Screws — Pro-Werks Billet Aluminum Battery Cutoff Switch Lever — fits C72-025 & Cole Hersee-style switches, remote cable or linkage activation, Made in USA
Quick Disconnect Battery Couplers — 175 Amp, 600 Volt, Up to 1/0 AWG
Pro-Werks quick-disconnect battery couplers provide a fast, secure connection for charging or re-energizing your race car’s battery without opening the hood or accessing the battery directly. Compact bright-red design, rated 175 amps and 600 volts maximum, accepts wire up to 1/0 AWG. Measures 2-1/8"W × 3-1/8"L × 1"H. Available as a complete kit or individual components:
- Complete Kit — 2 Couplers, Dust Cover & Pull Handle — Pro-Werks Quick Disconnect Battery Coupler Kit, 175A / 600V — everything needed for a complete quick-disconnect battery charging setup
- Individual Coupler — 175 Amp, 600 Volt — Pro-Werks Quick Disconnect Battery Coupler — handle and dust cover sold separately
- Dust Cover — Flexible, Non-Conductive, Built-In Lanyard Tether — Pro-Werks Battery Coupler Dust Cover — keeps foreign material out of the coupler, tethered to stay in place
- Pull Handle — Plastic-Coated Steel, Durable & Comfortable Grip — Pro-Werks Battery Coupler Pull Handle — mounts to the remote coupler half for easier connection
Remote Battery Terminals — 6 to 36 Volt, Inside or Outside Mounting
Pro-Werks remote battery terminals allow convenient connection to a battery charger without direct battery access. Rated 6 to 36 volts. Includes one positive (red) and one negative (black) terminal.
- Remote Battery Terminals — 6–36V, Positive & Negative Pair — Pro-Werks Remote Battery Terminals — accepts standard battery charger connections
Complete Your Build
Battery disconnect switches and couplers work hand-in-hand with these related components from The Chassis Shop:
- Levers — Pro-Werks billet aluminum control levers for remote activation of battery disconnect and safety systems
- Access Door Kits — aeronautical-style aluminum access doors for quick access to disconnect switches through body panels
- Cables & Cable Hardware — throttle, fuel shutoff, and system cables that complete your race car’s control and safety setup
- Rod Ends — FK Bearing and Aurora heim joints for linkage and control systems alongside your electrical setup
Proudly Made in the USA.









