Switch Panels & Wiring Supplies
Simplify your race car’s electrical layout and ensure rock-solid circuit management with drag racing switch panels and wiring supplies from Quarter-Max. We offer overhead and dash-mount switch panels, solid-state power distribution modules, high-strand copper wiring, relay kits, weather-pack connectors, heat shrink, and terminal blocks engineered for clean installations, maximum current flow, and dependable performance pass after pass.
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Buttons
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Grommets
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Loop Clamps & Wire Ties
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Ring Terminals & Other Connectors
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Switches
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Switch Panels
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Terminal Strips & Insulated Studs
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Vibration Mounts
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Weather Pack Connectors
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Wire & Battery Cables
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Wiring Kits
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QM Rubber Grommet, 7/16" Panel Hole Size, 1/4" Bore Diameter
Quarter-Max
$0.72Protects wire, cable and hoses passing through metal plates and panels - such as the ones used to deploy parachutes through body panels and firewalls. Specifications:• Bore Diameter: 1/4"• Panel...QM-218003-6$0.72 -
QM Rubber Grommet, 7/8" Panel Hole Size, 5/8" Bore Diameter
Quarter-Max
$0.72Protects wire, cable and hoses passing through metal plates and panels - such as the ones used to deploy parachutes through body panels and firewalls. Specifications:• Bore Diameter: 5/8"• Panel...QM-218003-2$0.72 -
QM SB 175 Series 2 Gauge Contact
Quarter-Max
$8.39This is the essential Contact component for the SB® 175 Series Anderson Powerpole® connectors, rated for 175 Amps. Each contact is designed to be used with the unique genderless Powerpole® housing...QM-610002-4$8.39 -
$11.54 -
QM Small Vibration Mount - 8-32 Thread
Quarter-Max
$7.34Vibration mounts help protect your valuable and sensitive computer and electronic equipment from the extreme vibrations which occur while your car is running. 8-32 threads.QM-211655$7.34 -
$28.34 -
QM Standard Switch Panel Jumper Strip
Quarter-Max
$30.44Make wiring your standard QM switch panel a ease with this 1/8" copper jumper strip. The jumper strip ties all your switches together.QM-410584$30.44 -
QM Start Button Bracket
Quarter-Max
$4.19Start button Bracket base Material 14 gauge mild steel.QM-410291$4.19 -
$9.44 -
QM Starter Button Mount
Quarter-Max
$6.29Starter buttonMaterial 0.1825 4130 Hole size .2650"QM-410111$6.29 -
QM Starter Button-Toggle Switch Low Profile Wrench
Quarter-Max
$9.44This thin wrench is designed to tighten the jam nuts on starter buttons and toggle switches. If you would use a standard wrench to try to tighten these jam nuts they are normally to thick to fit in...QM-410918$9.44 -
QM Steering Wheel Button Mount, Single, Black Anodized
Quarter-Max
$22.04This steering wheel button mount can be used to mount the line lock button 206114. Includes hardware.Specifications:• Material: Aluminum• Color: Black AnodizedSold individually.QM-206130-B$22.04 -
QM Steering Wheel Button Mount, Single, Raw
Quarter-Max
$15.74This steering wheel button mount can be used to mount the line lock button 206114. Includes hardware.Specifications:• Material: Aluminum• Color: RawSold individually.QM-206130$15.74 -
$15.74 -
QM Timing Light Mount
Quarter-Max
$37.79Mount to firewall and use for power supply for your timing light.QM-211657$37.79 -
QM Vibration Mount
Quarter-Max
$9.44Vibration mounts help protect your valuable and sensitive computer and electronic equipment from the extreme vibrations which occur while your car is running. 1/4-20 Threads 1/2" tall 1...QM-600010-3$9.44 -
QM Weather Pack Connector Kit with Tools
Quarter-Max
$169.99Everything thing you need to do the weather at the track or in the garage. Kit includes 64 complete weather packs with all the needed seals and terminals to do the job. Includes all the necessary...QM-110102$169.99 -
QM Wire Ties
Quarter-Max
$8.40 - $13.00Clean up your wires and hoses using our convenient value pack of black wire ties. Sold in packs of 100.QM-218004$8.40 - $13.00 -
Speedwire Solid-State Battery Disconnect 300/500
Speedwire Systems
$499.99Engineered for the uncompromising demands of professional racing, the Speedwire Solid-State Battery Disconnect (or Isolator) represents the pinnacle of electrical safety and performance. Unlike...QM-610109$499.99 -
Speedwire Systems Rear Battery Shut Off Button & Mounting Plate Kit
Speedwire Systems
$119.99Upgrade your race car’s safety system with the ultimate lightweight solution from Quarter-Max. The Speedwire Systems Rear Battery Shut Off Button is a professional-grade, electrical alternative to...SPW-BSO-1$119.99 -
Super Duty Complete Wiring Kit
K&R
$702.45K&R's "SUPER DUTY" Complete Wire Kit has been the leading choice of most all the major chassis shops. And for good reason - its simple, bullet-proof reliable, and complete, all at a great price...K&R-SD-SPD-CI$702.45 -
Ultra Lightweight 2 Gauge Battery Cable
$3.56This ultra lightweight 2 gauge battery cable exceeds the industry CEA-2015 cabling standards. Features:• Designed to be super flexible• Easy to use in any installation• 10% Oxygen Free Copper• 90%...QM-610060 | QM-610060B$3.56 -
Ultra Lightweight 8 Gauge Battery Cable
$1.35This ultra lightweight 8 gauge battery cable features a 735 strand count in a special soft-touch PVC casing.Features:• Designed to be super flexible• Easy to use in any installation• 10% Oxygen Free...QM-610061 | QM-610061B$1.35 -
Weather Pack Terminal Removal Tool
$13.64Weather Pack crimper and removal tools aid in the assembly process of the Weather Pack sealed connector line. The removal tool is a hollow shaft screwdriver that slides into the housing, over the...QM-610069$13.64 -
Weather Pack Wire Crimping Tool - Metri-Pack
$43.04The Weather Pack and Metri-Pack 150 & 280 Model #T-18 Crimp Tool crimps most Weather Pack terminals and seals, and the most popular sealed Metri-Pack 150 and 280 series terminals and seals. It has...QM-610068$43.04 -
Weather Pack, 1 Connection
$7.34Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.Inline 4-pin connector shown.QM-214138$7.34 -
Weather Pack, 2 Connections
$8.39Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.QM-214139$8.39 -
Weather Pack, 3 Connections
$8.39Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.QM-214140$8.39 -
Weather Pack, 4 Connections
$9.44Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.QM-214141$9.44 -
Weather Pack, 4 Connections Square
$15.74Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.QM-214142$15.74 -
Weather Pack, 6 Connections
$9.44Keep your sensitive electrical connections safe from their environment with WeatherPack Connectors.QM-214143$9.44