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Engine Tuning and Diagnostics

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Instruments, chips, devices and software for sale to diagnose issues within an engine, and maximize its tuning for optimal performance. These can be used to tune a drag race, circle track, oval track or sports car engine for speed and power, but are equally applicable to street cars,hot rods, trucks and muscle cars to improve their fuel efficiency, engine torque and power, and other performance needs.

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WEGO™ units are versatile tuning aid for all carbureted and fuel injected engines displays air/fuel ratio (AFR) and...

Posted 3 days ago
Debary , FL

For 6.7 24 v Diesel
New never used Smarty JR 67 will work for EGR delete 2007 to 2009 RAM 6.7. Will not work for 2010 - 2012 Price includes...

Posted 5 days ago
Windermere , FL

Brand new in box. Box not opened! Part# 554-114 Serious inquiries only. No trades. Not negotiable.

Posted 6 days ago
Aliquippa , PA

Comes with a good load of sliders and cylinders. Has updated valve opening figuring and new indicator. As you can see...

Posted 8 days ago
Springfid , MO

This was bought new in 1966 and is a one owner, and used 5 or 6times. In excellent condition with original box, and box is in good shape too.

Posted 9 days ago
Cardwell , MO

learn to tune Blown alcohol Engines
Fuel System Book This 300+ page manual is the most comprehensive source...

Posted 11 days ago
Nashville , TN

2000- RPM @ 100 psi 4000 -RPM @ 100 psi Go to Alkydigger.com choose...

Posted 11 days ago
Nashville , TN

brand new EFI-Systems Series 4 PMS. Fits 89-93 5.0L Mustang with 2 bar MAP sensor, never used, easy to use, excellent...

Posted 11 days ago
Dearborn , MI

Check Valve Springs & Change Valve Springs
Leanders Valve Spring Tool, for Hemi Fathead on the Head or Rocker Arm...

Posted 11 days ago
Shelbyville , TN