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Wiring and Relays
Wiring kits, relay blocks, toggle switches, and harnesses are designed for easy installation and reliable performance in MSD-equipped vehicles.
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Gauges and Accessories
MSD gauges and accessories deliver precision performance data and race-ready functionality. Monitor RPM, shift points, and more with trusted accuracy and rugged construction.
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Harnesses
MSD wiring harnesses are built for plug-and-play reliability and performance. From ignition to sensors, we’ve got the right harness for your MSD system.
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Sensors
Dial in your tune with MSD MAP sensors. Built for accuracy and reliability, these plug-and-play units are ideal for Power Grid and high-performance EFI setups.
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Starter Accessories
Essential starter accessories from MSD, designed to enhance reliability, durability, and installation efficiency. From heat shields to shims and brackets, get everything you need for a dependable start every time.
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Wiring Tools
Professional-grade wiring tools from MSD to help you cut, strip, crimp, and organize with precision. Ideal for street, strip, and custom installs—get the job done right.
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MSDPro Crimp Tool, Ratchet Action The Pro-Crimp features interchangeable jaws allowing for a variety of different style crimps with one heavy-duty tool.$136.95
MSDHigh-Current Solid-State Relay 35Ax4, Black High-Current Solid-State Relay 35 Amp per channel up to 140 Amp continuousPart# 75643-HCFree Shipping$222.95
MSDMSD LS Coil Harness, Power Upgrade Recommended for use with MSD Pro Power Coils and can even be used with OE coils.$106.95
MSDHigh-Current Solid-State Relay 35Ax4, Red High-Current Solid-State Relay 35 Amp per channel up to 140 Amp continuous$222.95
Part# 8920Free Shipping$108.95
MSDMSD Tach Signal GMR Pickup Converts a low-voltage, high-current pulse to a clean 12-volt square wave with no wire splicing required.Part# 8918Free Shipping$114.95
MSDHarness, MSD 6 to Ford TFI These are especially handy for quick installation on late model vehicles!$60.75
MSDMSD High Current Relay, SPST The SPST High Current Relay is rated at 30 amps with an input voltage of 12 volts DC.$60.75
MSDMSD 6 to GM Dual Connector Coil Harness Easy install of MSD 6 series ignition to GM Dual Connector Coil$79.09
$161.95
MSDMSD Cable Assembly - 2 Wire - 6 Foot Replacement Harness - MSD Ignition to Distributor or Crank TriggerPart# 8860In Stock$30.58
MSDProgrammable Fuel Pump Voltage Booster The controller allows you to increase voltage based on boost.$716.95
$409.95
Part# 7566-2In Stock$99.95
$199.95
$199.95
MSDMSD SPST Relay w/Socket Harness The SPST Waterproof High Current Relay is rated at 30 amps with an input voltage of 12 volts DC, supplied with Socket Harness.Part# 89611In Stock$35.02
MSDMSD Deutsch Connector Kit 360 Piece Deutsch Connector Kit comes with 2, 3, 4, 6, 8 and 12 Pole Housings and Pins w/Seals$249.95
$54.05
MSDMSD Noise Capacitor, 26 Kufd Filters away EMI that is caused by MSD power cables and prevents damage from voltage and current surges.$73.55
$40.49
$391.95
MSDReplacement Harness for PN 6201/62013 and PN 6425/64253 Replacement Harness for PN 6201/62013, Digital 6A and PN 6425/64253 Digital 6A-LPart# 8897In Stock$33.73
$188.95
$204.95
Part# 5087In Stock$89.15
MSDMAP Sensor 2-bar for blown/turbo applications Plug-in 2psia - 29psia MAP sensor for the Programmable Digital-7.$161.95
MSDTach Adapter, Electronic Ignition System Designed for current-limiting ignition systems (non-ballast resistor systems)$106.95
Part# 2279In Stock$49.95
MSDHarness, Dodge/Chrysler 98-03 Easy install for your MSD 6 series ignition control to Dodge/Chrysler vehicles. 1998 through 2003Part# 8884In Stock$74.29
MSDConnector Kit for MSD GM HEI Dist. Cap Replacement Connector Kit for GM HEI Distributor or PN 8365, PN 8362Part# 8194In Stock$21.58
Part# 88621In Stock$24.95
$81.05
Part# 8894In Stock$47.24
MSDReplacement Harness for 62152/62153 Multi-Channel Ignition Replacement Harness for PN 62152/62153, DIS 4, DIS 4 High-OutputPart# 8898In Stock$75.55
MSDMSD Solder Sleeve Wire Splice Kit 42 Piece Solder Sleeve Splice Heat Shrink Kit, white, red, blue and yellow with 2:1 shrink ratioPart# 81952In StockMSRP $47.57$31.71Save $15.86
Part# 22791In Stock$49.95
MSDElectric Fuel Pump Harn./Relay Kit 30A Electric Fuel Pump Harness & Relay Wiring Kit. 30 Amp Relay and Circuit Breaker$45.88
MSDMSD Magnetic Pickup Cable - Shielded - 6 Foot Shielded Magnetic Pickup Cable Protects the Trigger Signal from Electromagnetic Interference (EMI)$60.75
Part# 8177-1In StockMSRP $68.95$36.95Save $32.00
Part# 3508In Stock$29.16
Part# 2933In Stock$75.55
$47.25
MSDPickup for MSD GM HEI Distributors Replacement Magnetic Pick-Up for OE GM HEI Distributor or PN 8365/PN 83653.$47.24
MSDMSD Heat Shrink Terminal Kit 165 Piece Heat Shrink Terminal and Closed End Connector Kit, Spade, Butt, and Ring terminals with 3:1 heat shrinkPart# 81951In StockMSRP $91.95$60.79Save $31.16
$47.24
Part# 89911In Stock$56.35
Part# 8824In Stock$14.78
MSDTach Adapter For use on non-current limiting ignitions, originally equipped with a ballast resistor.$101.95
Part# 80001In Stock$101.95
Part# 80002In Stock$101.95
$90.49
$89.15
MSDMSD DynaForce Starter Solenoid Replacement Starter Solenoid for GM LS Starters p/n: 5096 and 50963Part# 5086In Stock$80.09
$74.29
MSDElectric Fan Harn./Relay Kit 195 Deg-30A Temperature Controlled Cooling Fan Harness & Relay Kit w/ 195 degree temperature switch. 30 Amp Relay and Circuit Breaker$73.25
Part# 3507In Stock$57.25
Part# 8895In Stock$14.00
MSDMSD Weathertight Connector - 2-Pin - Qty 1 Self-Lubricating Silicone Seals for Protection Against Water, Dust, Oil, and Other Engine Compartment FluidsPart# 8173In Stock$17.49
MSDHarness for PN 6530 or PN 65303, Programmable 6AL-2 Replacement Harness for PN 6530 or PN 65303 Programmable 6AL-2Part# 8892In Stock$49.13
Part# 8181In Stock$24.95
Part# 3512MSDIn StockMSRP $53.15$35.43Save $17.72
Part# 8183In Stock$20.20
Part# 3506In StockMSRP $70.95$47.21Save $23.74
Part# 7782In Stock$25.23
Part# 8190In Stock$20.20
Part# 8191In StockMSRP $22.73$15.15Save $7.58
MSDModule Bypass Cable, GM HEI For connecting MSD 6 or 7-Series Ignition or Timing Accessory directly into the magnetic trigger inside a GM HEI distributor.Part# 8861In Stock$16.13
$134.95
Part# 2313Free Shipping$183.95
MSDMAP Sensor 3-bar for blown/turbo applications Plug-in 2psia - 44psia MAP sensor for the Programmable Digital-7.$188.95
$89.15
MSDMSD Power Grid Harness - Pro 600 Replacment Harness To Connect To MSD Power Grid Or Davis Profiler$134.95
MSDMSD Weathertight Connector - 1-Pin - Qty 1 Self-Lubricating Silicone Seals for Protection Against Water, Dust, Oil, and Other Engine Compartment FluidsPart# 8174In StockMSRP $19.68$13.12Save $6.56
$143.95
Part# 8810In Stock$16.13
MSDUniversal, Push On/Off Button, Alternate Action Switch Assembled and constructed for harsh racing conditions.$161.95
Part# 8822Free Shipping$60.75
$114.95
$195.95
MSDAdapter Harness Kit, Mod Ford w/6-MOD MSD & OEM EFI Adapter Harness Kit, Modular Ford 4.6L/5.4L w/MSD 6-MOD & OEM EFI$212.95
MSDLS2 EFI to 6012 w/58 Tooth Harness CLEARANCE ITEM / ALL SALES FINAL - Easy install harness for 6LS or 6LS-2 to factory LS2MSRP $67.95$46.95Save $21.00
$399.95
$176.95
MSDMSD DIS Coil Simulator Works with Ford Modular Dual coil ignition systems and Late model Jeep with distributorless ignition systems, 1999 and later.Part# 8922In Stock$82.49
MSDMSD Solid State N/O Relay w/Socket Harness The SPST Normally Open Relay is rated at 20 amps continuous, supplied with Socket Harness.Part# 89612In Stock$59.59
$99.95
MSDHigh Performance Ignition System by Todd Ryden High-Performance Ignition Systems publication by Todd RydenPart# 9630In Stock$31.18





















































































