Electrical, Ignition & Data Systems
Power your race car and monitor its performance with premium electrical, ignition, and data systems from Quarter-Max. We carry high-performance racing batteries, custom wiring harnesses, switch panels, advanced ignition controls, and complete data acquisition systems to keep you completely dialed in at the track.
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Air Solenoid Valves & Air Switches
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Batteries & Accessories
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Delay Boxes, Dial Boards & Timers
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FuelTech USA
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Gauges
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MSD Ignition
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LED Lights
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Racepak & Data Systems
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Radio Communications & Mounts
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Starters & Accessories
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Switch Panels & Wiring Supplies
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Weather Stations
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MSD Ford HEI Distributor Cap
MSD
Retail: $69.95$61.35The V8 distributor caps offer improved locking connections and the Rynite material is extremely strong with excellent dielectric properties. Includes the wire retainer.MSD-8408Retail: $69.95$61.35 -
MSD Ford Street Fire Coils, 4.6/5.4L, 2-Valve, 8-Pack
MSD
Retail: $292.95$259.95These coils mount directly in place of factory style versions and accept the OEM connectors as well.MSD-55128Retail: $292.95$259.95 -
MSD Ford Street Fire Coils, 4.6/5.4L, 3-Valve, 8-Pack
MSD
Retail: $292.95$259.95These coils mount directly in place of factory style versions and accept the OEM connectors as well.MSD-55138Retail: $292.95$259.95 -
MSD Ford TFI Coil, High Performance
MSD
Retail: $95.95$84.95This coil has been designed by combining MSD's Blaster Coil experience with E-core coil efficiency. Each coil has a unique turns ratio plus there is lower primary resistance than the stock coil. This...MSD-8227Retail: $95.95$84.95 -
MSD Ford V8 TFI Distributor Cap & Rotor Kit, 1985-1995
MSD
Retail: $69.95$61.35The cap and rotor of any ignition system must be considered maintenance items. Be sure to replace the cap and rotor as a set.• Distributor Cap & Rotor Kit, Ford V8 TFI, 1985-1995MSD-8482Retail: $69.95$61.35 -
MSD GM 2 Tower Coil Pack
MSD
Retail: $100.95$89.19The GM 2 Tower Coil has a unique turns ratio plus there is lower primary resistance than the stock coil. This all amounts to a bolt-in replacement coil that produces more output voltage. The coils...MSD-8224Retail: $100.95$89.19 -
MSD GM Dual Connector Coil
MSD
Retail: $93.95$82.95Each GM Dual Connector Coil has a unique turns ratio plus there is lower primary resistance than the stock coil. This all amounts to a bolt-in replacement coil that produces more output voltage. The...MSD-8226Retail: $93.95$82.95 -
MSD GM External Single Connector Coil
MSD
Retail: $100.95$89.19These new coils mount directly in place of the factory coils and accept the factory connectors. Features:• Direct performance replacement for GM Coil, 1996-1999• 80:1 turns ratio and lower primary...MSD-8231Retail: $100.95$89.19 -
MSD GM HEI Billet Distributor
MSD
Retail: $760.95$675.95The Chevrolet HEI Distributor is a favorite for muscle cars, street rods and even circle track racers. The integrated coil keeps underhood wiring clean, and for race cars, the idea of running one...MSD-8365Retail: $760.95$675.95 -
MSD GM HEI Distributor Cap & Rotor, Red
MSD
Retail: $58.95$51.95Replacement cap and rotor for GM HEI The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the...MSD-8416Retail: $58.95$51.95 -
MSD GM HEI Distributor Cap, Red
MSD
Retail: $64.95$57.29Red, stock GM HEI distributor cap. Features:• Stock GM HEI replacement distributor capMSD-8411Retail: $64.95$57.29 -
MSD GM HEI Distributor Coil
MSD
Retail: $146.95$129.95This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD-83647 HEI Module. The coil features special low inductance, high temperature windings...MSD-8225Retail: $146.95$129.95 -
MSD GM HEI Rotor
MSD
Retail: $17.29$15.37For Chevrolet HEI Style distributors. Features:• For HEI DistributorsMSD-8410Retail: $17.29$15.37 -
MSD GM LT1 5.7L 92-94 Distributor
MSD
Retail: $956.95$849.95The MSD-8381 GM LT1 5.7L 92-94 Distributor is an all-out performance distributor to replace the OEM GM LT1 Optispark. An entire billet block of aluminum is machined down into a precise housing that...MSD-8381Retail: $956.95$849.95 -
MSD Heat HEI Module
MSD
Retail: $212.95$188.95The Heat HEI module produces high output for stock and MSD applications plus has a built-in rev limiter that is more accurate and easier to set with the engine running. Features:• Easily installs to...MSD-83647Retail: $212.95$188.95 -
MSD HEI Coil Wire, Blaster 2 Super Conductor
MSD
Retail: $35.75$31.7818” long, 90° terminals and boots are installed on both sides to connect to an HEI style terminal. A power wower is also supplied to adapt a socket style cap. Features:• Coil Wire, Super ConductorMSD-84039Retail: $35.75$31.78 -
MSD High Vibration Blaster Coil
MSD
Retail: $78.95$69.95The High Vibration Blaster Coil protects the coil’s internal components from high and low frequency vibrations that are commonly experienced in racing. If you are looking to upgrade your stock coil,...MSD-8222Retail: $78.95$69.95 -
MSD HVC-2 Coil
MSD
Retail: $436.95$387.95The Pro Power HVC-2 Coil is designed for racing applications with an MSD 7 or 8 Series Ignition Control. Improved voltage distribution is achieved with an iron U-Core design with a segmented bobbin...MSD-8261Retail: $436.95$387.95 -
MSD Launch Rev Limiter Switch Box
MSD
Retail: $268.95$238.95This Launch Rev Limiter Switch Box, also known as a Manual Launch Control, lets you change the launch rpm setting of the MSD-7531 Programmable Digital-7 Plus Ignition Control when you are in the car...MSD-7551Retail: $268.95$238.95 -
MSD LED Shift Light
MSD
Retail: $281.95$249.95The MSD Shift Light will turn on to “remind” you to shift when the engine reaches your specified rpm. You select the rpm using the same plug-in modules that are used with your MSD Soft Touch Rev...MSD-8952Retail: $281.95$249.95 -
Out of stock
MSD LS 2-Step Launch Control
MSD
Retail: $427.95$379.95The unit is easy to install with factory style connectors for a splice-free installation. When you're staged, you can hold the pedal to the floor while the rpm stays at a consistent level producing...MSD-8733Retail: $427.95$379.95 -
MSD LS1, 45 Degree Boots & Terminals, 2/Card
MSD
Retail: $19.46$8.95MSD boots are designed with longevity in mind. Each boot provides excellent heat resistance as well as maximum protection against spark loss. Features:• Custom fit for make and model listed• Wires...MSD-3304Retail: $19.46$8.95 -
MSD Magnetic Pick-Up
MSD
Retail: $58.95$51.95The MSD Magnetic Pick-Up replacement is the same high output assembly that is currently found in all MSD Distributors. It is supplied with the two pin connector installed. Features:• Replacement...MSD-84661Retail: $58.95$51.95 -
MSD Mini Stripper Crimper, 8.5MM Super Conductor Wire
MSD
Retail: $19.97$17.75This special tool is an inexpensive way to make a set of custom plug wires. Provides a “die” to strip either 8mm Heli-Core or 8.5mm Super Conductor Wire, then can be used in a vise to provide a...MSD-3503Retail: $19.97$17.75 -
MSD Mitsubishi Dodge Coil, 1996-ON
MSD
Retail: $149.95$132.95Bolt-on performance with increased output for your Mitsubishi/Neon/Talon/Mini MSD offers these two 4-tower coils as replacements for a variety of years ranging from 1994-2003 on vehicles including...MSD-8239Retail: $149.95$132.95 -
MSD Non-Magnetic Pickup Assembly, 3/4" x 16 UNF
MSD
Retail: $159.95$141.95MSD’s Non-Magnetic Pick-Ups are engineered for extreme applications. This Pick-Up was designed and tested on 300+ mph top fuel dragsters!MSD-8276Retail: $159.95$141.95 -
MSD Power Grid 4-Connector Hub
MSD
Retail: $175.95$155.95This Power Grid 4-Connector Hub will allow users of the Power Grid System to connect up to four MSD accessory modules. • Also known as a 4-Connector CAN-Bus Hub• Intended for use with MSD Power Grid...MSD-7740Retail: $175.95$155.95 -
MSD Power Grid 4-Connector Hub - Black
MSD
Retail: $175.95$155.95This Power Grid 4-Connector Hub will allow users of the Power Grid System to connect up to four MSD accessory modules. • Also known as a 4-Connector CAN-Bus Hub• Intended for use with MSD Power Grid...MSD-77403Retail: $175.95$155.95 -
MSD Power Grid Advanced RPM Control Module
MSD
Retail: $1,124.95$999.95This Advance RPM Control Module sets rpm limits based on rpm acceleration or time since launch. Features:• Plugs into CAN-Bus Bridge• Use with Power Grid Controller• 4-Connector CAN-Bus Hub is...MSD-7761Retail: $1,124.95$999.95 -
MSD Power Grid Harness Adapter, Power Grid Controller to Digital-7 Programmable
MSD
Retail: $292.95$169.95The Power Grid Harness Adapter allows you to use your Digital-7 Programmable to install a Power Grid Controller with very little alterations. The harnesses are direct plug-ins for existing wires, but...MSD-7789Retail: $292.95$169.95 -
MSD Power Grid Ignition Control
MSD
Retail: $860.95$764.95The Power Grid Ignition Control is specially designed to mount to the MSD-7730 Power Grid System Controller Box. Specifications:• Current Draw: 1.3 Amp per 1,000 RPM• Primary Voltage: 545-570 Volts•...MSD-7720Retail: $860.95$764.95 -
MSD Power Grid Manual Launch Control Module
MSD
Retail: $371.95$329.95The Power Grid Manual Launch Control Module allows you to make quick, last minute changes. Perfect for those who use a 2-Step rev limiter! • Ability for easy, last second changes• Change launch rpm...MSD-7751Retail: $371.95$329.95 -
MSD Power Grid Replacement Harness
MSD
Retail: $239.95$212.95This Power Grid replacement wiring harness is designed for use with the MSD-7730 Power Grid Controller.MSD-7780Retail: $239.95$212.95 -
MSD Power Grid System - Controller Only - Black
MSD
Retail: $764.95$679.95The Power Grid Ignition System is the next evolution of our Programmable 7-Series Ignition Controls. The Grid incorporates an efficient 32 bit microcontroller and an all new software program, called...MSD-77303Retail: $764.95$679.95 -
MSD Power Grid System, Controller Only
MSD
Retail: $764.95$679.95The Power Grid Ignition System is the next evolution of our Programmable 7-Series Ignition Controls. The Grid incorporates an efficient 32 bit microcontroller and an all new software program, called...MSD-7730Retail: $764.95$679.95 -
MSD Pro Clamp Wire Separators
MSD
Retail: $46.82$41.62The Pro-Clamp will keep the plug wires in a tidy order and away from engine heat sources. Each separator features secure grooves for each wire and a top bracket snaps in place to sandwich the wires...MSD-8843Retail: $46.82$41.62 -
MSD Pro Crimp Tool, Ratchet Action
MSD
Retail: $156.95$138.95If you make numbers of plug wires or do a lot of custom wiring, the Pro-Crimp Tool is a must for your toolbox. The Pro-Crimp features a hardened steel frame with comfortable molded hand grips. The...MSD-35051Retail: $156.95$138.95 -
Out of stock
MSD Pro Mag 44 Amp Electronic Points Box with Rev Limiter, Red
MSD
Retail: $1,912.95$1,699.95The magnetic pickup in the generator delivers the trigger signal while the Box takes care of the rest: namely the long duration spark and quick rise time. The MSD electronic circuitry releases the...MSD-8147Retail: $1,912.95$1,699.95 -
MSD Pro Power Coil
MSD
Retail: $247.95$219.95The MSD Pro Power Coil is designed short duration applications such as drag racing. Features:• High voltage coil designed for short duration applications only• Primary and secondary windings are...MSD-8201Retail: $247.95$219.95 -
MSD Pro Power HVC Coil
MSD
Retail: $260.95$231.95The Pro Power HVC Coil is designed for racing applications with an MSD 7 Series Ignition Control. With a combination of extremely low primary resistance and the efficient design of an E-Core coil,...MSD-8251Retail: $260.95$231.95