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8′ MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready)
$83.00MegaSquirt Wiring Harness - 8 Feet Long We've completely redesigned our wire harness to help you get your fuel injection installation right the first time with several new features to help make your installation as easy and reliable as possible: ...
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MegaSquirt-I Programmable EFI System PCB3.0 – Kit
$230.00Part # MS130-K; MegaSquirt-I Programmable EFI System with V3.0 main board - Unassembled Kit with Black Case The MS130-K kit includes everything you will need to build your MegaSquirt ECU. The genuine B&G partial kit with PCB3.0, the Bill Of Materia...
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MegaSquirt-I Programmable EFI System PCB2.2 – Kit
$178.00MegaSquirt-I with V2.2 Main Board MegaSquirt programmable EFI Engine Management System from Bowling and Grippo. Install fuel injection on anything from a single cylinder lawnmower engine to a fire breathing V12, and anything in between! This kit is eas...
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MegaSquirt Relay Board – Unassembled Kit
$85.00MegaSquirt Relay Board - UnAssembled Kit Part # MSRelay-K Includes everything you will need to build your MegaSquirt Relay Board, complete with black anodized case. Though the Relay/Power Board is not required, it is a convenience and reduces the ch...
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MegaSquirt Relay Board – Assembled Unit
$104.00MegaSquirt Relay Board - Assembled Unit - Part# MSRelay-C Though the Relay/Power Board is not required, it is a convenience and can reduce the chance of miswiring during the installation. The relay board provides a central place for all of the required...
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MegaSquirt Relay Cable
$89.00High Quality 4' Relay Board cable for connecting your MegaSquirt ECU to your Relay Board. Works with MS1, MS2, or MS3, all standard main boards (includes not just the IAC and ignition pins - it also has the spare pins on 3 through 6). It has a shielded...
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JimStim v1.5 MegaSquirt Stimulator with Wheel Simulator – Unassembled
$72.00Use this board to test the MegaSquirt's inputs and outputs on the bench, before you install it on a car! The JimStim features a microcontroller which allows the simulation of up to 30 different toothed wheels, in addition to the standard distributor s...
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JimStimX Expansion Board – Unassembled
$47.00The regular JimStim can test the main board on your MS3. But what if you'd like to see the inputs and outputs on the MS3X expansion card in action, too? Now it's easy - just add a JimStimX! Use the three pull-off jumpers on the JimStim to connect the 5 vo...
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MegaSquirt Wiring Bundle – 23″ Long
$15.99MegaSquirt Wiring Bundle - 23" Long Perfect for creating your harness adapter (perhaps using a DIYBOB along with this) or for tying into your stock wiring harness! 23" TXL wire, color coded with labeling printed on the wire every 3 inches -- no p...
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MSPNP Gen 1 Tune Cable
$15.00Lost the tune cable to your MSPNP Gen 1 (the version with the white box)? Here is a replacement. NOTE: Gen 2 and MSPNP Pro units use either the TuneCable6, except for the Ford ones, which use the Innovate cable. Cable pinout: DIN 1 - DB9 9 DIN 2...
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DIYAutoTune Braggin’ Rights T Shirt- Black
$14.00'Official' DIYAutoTune Braggin' Rights T Shirt; Various sizes available in black. Have you built your own MegaSquirt and begun leaving others in the dust? Now, you can brag about it! Tell others "I built my own standalone engine management system,...
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MS Relay and Power Board – Case and Endplates
$24.00Case with Flanged Endplates Machined for MegaSquirt Relay Board Part # EAC-Rel-CEP Black anodized aluminum case with endplates custom machined for a perfect fit!
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Zeal Engineering Daughterboard with Dual VR Conditioners
$37.00The Zeal Engineering Daughterboard was designed and developed by Ken Culver, one of the authors of the MS2/Extra and MS3 firmware. We're proud to now offer this daughter card in kit form. It was originally developed for the FC RX-7, but we have found it...
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DB37 Solder Cup Connector
$2.49DB37 female solder cup connector, as included in our Megasquirt and relay board kits. Use this if you're making a new harness and prefer a soldered connection. This is the connector only; the backshell is sold separately.
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Jumper 10-Pack
$7.4910-pack of wire jumpers in 5 colors. These fit 0.1" headers and are used on the JimStim to make connections for testing additional circuitry. There are several other uses for them too.
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MegaSquirt Flyback Board Kit (for PCBv2.2 ECUs)
$38.00Includes everything you will need to build your MegaSquirt Flyback board using the case as the heat sink. MegaSquirt (PCB2.2) users running a number of very low impedance injectors have reported problems with the flyback circuit failing. Typically, thi...
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MegaSquirt 1
MegaSquirt 1 (MS1) offers a cost effective entry level to the aftermarket ECU market. Coupled with an EDIS module, the MegaSquirt 1 V2.2 offered excellent value for money mappable spark and fuel. For direct coil control (non-EDIS) the MegaSquirt 1 V3.0 is still a cheap and simple ECU. As expected MegaSquirt 1 lacks many of the features of the newer ECUs. Few OEM wheel patterns are supported, temperature sensor and wideband calibration is more tricky and there are fewer diagnostics. All features require DIY modifications to the circuit board.
If you’re looking for more full featured engine management systems we suggest you look at our MegaSquirt 2 and MegaSquirt 3 kits which provide many more features but maintain an affordable price point for total fuel injection and ignition tuning.
