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AR Engineering is a well-known high-quality designer and supplier for Mopar aficionados. AR Engineering was initially focused on designing and building parts for the 60s to 70s Mopar muscle cars but has since expanded to provide the highest quality parts for the high-performance Mopar EFI market.

This page only shows a sample of the AR product line, but we can supply anything AR makes. Check them out at


Mopar Crank Sensors

AR Engineering Crank sensor mounts for RB Mopars are set up to use noise-free hall effect sensors, both the MSD thread size (using the Holley 554-118 MSD replacement sensor) and the much smaller Metric M12x1 size (Holley 554-124) as well. Mounts are available for normal timing covers or for belt drive systems.



We offer the very popular AR438 coolant temperature sensor spacer and the AR134S, which is a wider, throttle bracket designed to fit the Holley Sniper throttle body for use with stock Mopar throttle cables.

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