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 Programmable Digital-7 Plus Ignition
MSD
Retail: $1,318.95$1,171.95The Programmable Digital-7 Plus Ignition includes all of the standard programmable features such as Individual Cylinder Management, Step Retards, Rev Limits, and Shift Points. A MAP sensor is...MSD-7531Retail: $1,318.95$1,171.95 -
MSD Racing Rotor for Pro-Billet Distributor
MSD
Retail: $20.63$18.34Standard on most Pro-Billet Distributors, these rotors are designed with high rpm and performance in mind. Features:• Injection molded from Rynite material for incredible strength and high...MSD-8467Retail: $20.63$18.34 -
MSD Red Cap & Rotor Kit, MSD-8431 Cap & MSD-8467 Race Rotor
MSD
Retail: $75.95$67.45The cap and rotor of any ignition system must be considered maintenance items. Be sure to replace the cap and rotor as a set.Kit Includes:• MSD-8431 Small Diameter MSD Cap• MSD-8467 Race RotorMSD-84315Retail: $75.95$67.45 -
MSD Red Cap & Rotor Kit, MSD-8433 Cap & MSD-8467 Race Rotor
MSD
Retail: $65.95$57.95The cap and rotor of any ignition system must be considered maintenance items. Be sure to replace the cap and rotor as a set.Kit Includes:• MSD-8433 MSD Cap• MSD-8467 Race RotorMSD-84335Retail: $65.95$57.95 -
MSD Red Distributor Cap
MSD
Retail: $78.95$70.09Red Cap fits PN MSD-8570, MSD-8545, and MSD-8546. MSD molds their most popular V8 disMSD-8431Retail: $78.95$70.09 -
MSD Rotor Phasing Kit for MSD Distributors
MSD
Retail: $78.95$70.09Two-piece adjustable rotor.MSD-84211Retail: $78.95$70.09 -
MSD Rotor, Fits LP CT Distributors, PN 84697
MSD
Retail: $69.95$61.35Molded from strong, durable Rynite material these rotors are designed specifically for MSD Crank Trigger Distributors. The rotor tip is secured with a screw for high rpm racing applications.Base...MSD-8457Retail: $69.95$61.35 -
MSD RPM Activated Switch
MSD
Retail: $212.95$188.95This RPM-Activated Switch will perform a variety of different functions from turning on a bulb or solenoid to activating an MSD Timing Control at a desired rpm.The RPM-Activated Switch, has two...MSD-8950Retail: $212.95$188.95 -
MSD RPM Selector Switch, 3.0K-5.2K
MSD
Retail: $142.95$126.95The RPM Module Selector plugs directly into the rpm module socket on all MSD Soft Touch Rev Controls and accessories that use plug-in modules. The user can then select between twelve different rpm...MSD-8670Retail: $142.95$126.95 -
MSD RPM Selector Switch, 6.0K-8.2K
MSD
Retail: $157.95$139.95The RPM Module Selector plugs directly into the rpm module socket on all MSD Soft Touch Rev Controls and accessories that use plug-in modules. The user can then select between twelve different rpm...MSD-8672Retail: $157.95$139.95 -
Out of stock
MSD Self-Powered Timing Light
MSD
Retail: $350.95$311.95An accurate timing light is extremely important to the performance of your engine. This Self-Powered Timing Light does not require 12 volts. This means less wires are hanging over the engine...MSD-8991Retail: $350.95$311.95 -
MSD Shielded Magnetic Pick-Up Cable, 6'
MSD
Retail: $71.95$63.19This Shielded Magnetic Pick-Up Cable will help protect the trigger signal from the distributor or crank trigger pick-up from Electro Magnetic Interference. The pick-up wires are wound together and...MSD-8862Retail: $71.95$63.19 -
MSD Silicone 90° Boots & Terminals
MSD
Retail: $18.12$16.11MSD 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-3311Retail: $18.12$16.11 -
MSD Silicone Straight Boots & Terminals
MSD
Retail: $12.50$11.11MSD boots are designed with longevity in mind. Each boot provides excellent heat resistance as well as maximum protection against spark loss. Features:• Replacement boots and terminalsMSD-3301Retail: $12.50$11.11 -
MSD Single Channel Digital Ignition Tester
MSD
Retail: $584.95$519.95MSD Ignition Testers save you time by allowing you to test the ignition and coil without removing them from your car! With the MSD-8998, you can check the operation of MSD's single channel ignition...MSD-8998Retail: $584.95$519.95 -
MSD Spark Guard
MSD
Retail: $51.99$46.21MSD’s Spark Guard is a dielectric grease that solves many common ignition troubles. It stops voltage leaks, eases boot removal, prevents moisture buildup inside the spark plug wire boots, and even...MSD-8804Retail: $51.99$46.21 -
MSD Spark Plug Wire Sync Kit
MSD
Retail: $213.95$189.95This Spark Plug Wire Sync Kit installs to the number one spark plug wire and senses the trigger signal and sends this information to the Ignition through a fiber optic cable. Features:• For cylinder...MSD-7555Retail: $213.95$189.95 -
MSD Street Fire Chevrolet V8 GM HEI Distributor
MSD
Retail: $258.95$229.95The Street Fire Chevrolet V8 GM HEI Distributor is built around a new cast aluminum housing and includes a powerful ignition module, coil and high quality cap and rotor. It features an advance...MSD-8362Retail: $258.95$229.95 -
MSD Street Fire Ignition Control
MSD
Retail: $281.95$249.95The Street Fire Ignition offers capacitive discharge technology and will fire a series of multiple sparks that last for 20° of crankshaft rotation when the engine is running at lower rpm. This...MSD-5520Retail: $281.95$249.95 -
MSD Street-Fire Wire Set, 8 Cyl 90°, Socket/HEI Universal
MSD
Retail: $92.95$81.95The Street Fire Spark Plug Wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from...MSD-5553Retail: $92.95$81.95 -
MSD Street-Fire Wire Set, Small Block Chevy 350 HEI
MSD
Retail: $80.95$71.95The Street Fire Spark Plug Wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from...MSD-5554Retail: $80.95$71.95 -
MSD Street-Fire Wire Set, V8 Multi-Angle, Socket/HEI Universal
MSD
Retail: $92.95$81.95The Street Fire Spark Plug Wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from...MSD-5551Retail: $92.95$81.95 -
MSD Super Conductor 8.5mm Wire, 25'
MSD
Retail: $130.95$115.95Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12" length of Super Conductor Wire...MSD-34019Retail: $130.95$115.95 -
MSD Super Conductor Spark Plug Wire Set, 8 Cyl 90° Plug, Socket/HEI Cap
MSD
Retail: $164.95$145.95Set includes terminals for engines with early type (socket) and late type (HEI “spark plug top”) distributor caps. 90° boots and terminals factory installed on one end.Routing spark plug wires is an...MSD-31239Retail: $164.95$145.95 -
MSD Super Conductor Spark Plug Wire Set, 8 Cyl 90° Plug/90° Plug
MSD
Retail: $164.95$145.95Routing spark plug wires is an art form. It takes patience and time to route your wires away from the headers, through separators and to the distributor cap. Some wire sets fit perfect, but a lot of...MSD-31229Retail: $164.95$145.95 -
MSD Super Conductor Spark Plug Wire Set, Multi-Angle Plug, HEI Cap
MSD
Retail: $164.95$145.95Routing spark plug wires is an art form. It takes patience and time to route your wires away from the headers, through separators and to the distributor cap. Some wire sets fit perfect, but a lot of...MSD-31189Retail: $164.95$145.95 -
MSD Super Conductor Wire Set, 1999 LS-1 Truck Engines
MSD
Retail: $140.95$124.95For use on 1999 LS1 Truck Engines, Red jacket Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In...MSD-32829Retail: $140.95$124.95 -
MSD Super Conductor Wire Set, 8 Cyl Multi-Angle Plug, Socket/HEI
MSD
Retail: $164.95$145.95Set includes terminals for engines with early type (socket) and late type (HEI “spark plug top”) distributor caps. Multi-angle boots and terminals factory installed on one end. Supplied with two 56”,...MSD-31199Retail: $164.95$145.95 -
MSD Super Conductor Wire Set, Chevy 366-454 with HEI Cap
MSD
Retail: $137.95$121.95For use with Chevy 366-454 with HEI Cap, Red jacket Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic...MSD-35379Retail: $137.95$121.95 -
MSD Super Conductor Wire Set, Ford 302, 351W, HEI
MSD
Retail: $137.95$121.95For use on Ford small-block engines with 302-351W, HEI boots, Red jacket. Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without...MSD-31329Retail: $137.95$121.95 -
MSD Super Conductor Wire Set, GM LS1, Camaro/Corvette, '97-ON
MSD
Retail: $140.95$124.95For use on GM LS1 engines, Corvette, Camaro, '97-On, Red jacket Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic...MSD-32819Retail: $140.95$124.95 -
MSD Super Conductor Wire Set, Small Block Chevy 350 HEI
MSD
Retail: $164.95$145.95For use on Chevy small block 350 engines, HEI, Red jacket. Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic...MSD-31359Retail: $164.95$145.95 -
MSD Super Conductor Wire Set, Small Block Chevy For Use with HEI Cap
MSD
Retail: $164.95$145.95The MSD Race Tailored 8.5mm Super Conductor Wire Sets are designed specifically to fit race engines equipped with headers or an MSD Distributor. The MSD 8.5mm Super Conductor is the ultimate...MSD-35599Retail: $164.95$145.95 -
MSD Tach/Fuel Adapter
MSD
Retail: $127.95$112.95Use this Tach Adapter if you are using the magnetic pickup input (green and violet wires) to trigger your MSD Ignition. It will correct the operation of most voltage-triggered tachometers that do not...MSD-8920Retail: $127.95$112.95 -
MSD Three Step Module Selector
MSD
Retail: $224.95$199.95This MSD Three Step Module Selector lets you choose from two or three different rpm limits that can be activated at different times. Features:• It can also be used with an MSD Timing Control• 3 RPM...MSD-8737Retail: $224.95$199.95 -
MSD Timing Pro Timing Light, Inductive
MSD
Retail: $259.95$230.95This MSD Timing Light is perfect for working in a garage, outside in the sun, or anywhere else you need to check your timing. The light provides stable, reliable signals from 0 to 10,000 rpm. The...MSD-8992Retail: $259.95$230.95 -
MSD Timing Tapes for Harmonic Balancers
MSD
Retail: $9.93$8.83Accurate ignition timing is one of the most vital adjustments you can make to your engine. Proper timing can mean the difference between winning and losing a race or even blowing an engine (as a...MSD-8985Retail: $9.93$8.83 -
MSD Two Step Module Selector
MSD
Retail: $168.95$149.95This MSD Two Step Module Selector lets you choose from two different rpm limits that can be activated at different times. Features:• It can also be used with an MSD Timing Control• Launch rev...MSD-8739Retail: $168.95$149.95 -
MSD Universal Coil Bracket
MSD
Retail: $17.94$15.95The MSD Universal Coil Bracket offers easy mounting for standard size ignition coils up to 2.25” in diameter.MSD-8213Retail: $17.94$15.95 -
Naturally Aspirated System, 10 Switch Panel
Speedwire Systems
$1,711.50This Speedwire System was designed to be versatile, and installed in cars with naturally-aspirated engine combinations, including Pro Stock/Top Sportsman. System Features:• 10 Switch panel enclosed...SPW-1014LEDBR$1,711.50