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Zipper's® Marelli Conversion Kit with ThunderMax® for 1995-1998 EV® Models Double click on above image to view full picture

Zipper's® Marelli Conversion Kit with ThunderMax® for 1995-1998 EV® Models

As low as: $2,425.00

Price as configured: $0.00

Overview

Stop cussing that early EFI system, just replace it!

Zipper’s has taken the popular ThunderMax® EFI electronics and merged it with a single-throat Delphi®-style throttle body (with the help of some specially made parts) and developed this full conversion kit for bikes with H-D's earliest Magnetti-Marelli EFI systems. This kit allows you to retain the original wiring harness and gas tank, while upgrading to similar components used in the highly durable and reliable Deplhi®-based bikes of 2002-2005.

In most cases at least a 1 week lead time is necessary to get the kit built and shipped.

This product is not for sale or use on pollution controlled vehicles.


Price as configured: $0.00

Details

Stop cussing that early EFI system, just replace it!

 

Zipper’s has taken the popular ThunderMax® EFI electronics and merged it with a single-throat Delphi®-style throttle body (with the help of some specially made parts) and developed this full conversion kit for bikes with H-D's earliest Magnetti-Marelli EFI systems. This kit allows you to retain the original wiring harness and gas tank, while upgrading to similar components used in the highly durable and reliable Deplhi®-based bikes of 2002-2005.

 

Gone is the idle stepper-motor and its funky linkages that caused wandering idle and hard starting! Gone are the limitations of the stock throttle body air flow and hard-to-find injectors! In its place are modern throttle body configurations available in multiple bore diameters allowing easy selection of performance injector sizes! This is THE KIT to use, especially for engines with performance modifications as our vast selection of ThunderMax base maps allows fast set-up and tune-in.

 

Instant starting! Consistent idle! Superb performance! It’s all here in this kit. The ThunderMax with its integrated AutoTune transforms this system to full closed-loop automatic air/fuel ratio correction, maintaining your custom tune no matter what the ambient conditions or elevation you choose to ride in! Includes detailed installation instructions and TMax Tuner software. Requires exhaust system equipped 18mm oxygen sensor bungs or modification to accept 18mm oxygen sensors.

 

You’ll fall in love with your bike all over again!

 

This product is not for sale or use on pollution controlled vehicles.

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Customer Reviews

1 Item(s)

The difference is unimaginable Review by Jason Kukulka
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Value
Quality
I picked up a 98 FLHTCI with the stock MM EFI in late 2014 not knowing of the notorious MM problems beforehand and had 2 full years of nothing but straight headaches, anxiety and a motorcycle as good as a yard ornament. I was completely lost, paying on a bike that was almost unrideable, spending countless hours researching and tinkering with the MM system and was constantly being told to trade it in or to just throw a carb on it. Refusing to be upside down on another bike and learning that a carb install also requires some deep rewiring to do it properly on the EVO’s I called the knowledgeable staff at Zippers in the winter on 2016 to get all of the info on the EFI conversion kit and while the bike was in the shop for upgrades and customization I pulled the trigger on this kit and upon arrival the kit was packaged very professionally and was full of the highest quality parts like the TunderMax auto tune and Horsepower Inc throttle body. The directions are pretty straight forward and the tech had virtually no trouble installing the kit. Upon the very first start up it was like I had a completely different bike that was 20 years newer. Perfect cold idle, amazingly smooth throttle response and once warmed up a steady hot idle! I was nervous of everything at first but having nowhere to turn, this kit was a bike saver for sure. I have now put some miles on the bike and aside from a few coughs here and there I am an advocate and extremely pleased with my purchase knowing that this kit is the best solution to the MM EFI phantoms. I am now proud to say that I have a Zippers/ThundexMax EFI powered EVO that will now live a long prosperous life thanks to the best and only conversion kit out there! (Posted on 11/20/2017)

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Additional Information

Brand ThunderMax®
Fuel / Air EFI
Model No
Engine Type Evolution®
Emissions Compliant No
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