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RTAWD Retrofit Viscous Coupler

RTAWD Retrofit Viscous Coupler

Sep 28th 2025

An understanding of the OEM market's failure points has led to the exploration of various technological avenues, ultimately benefiting the motorsports sector. One significant development is an interna … read more

Viscous Coupler Internals

Posted by Stephen D Dunn on Oct 2nd 2023

Many of people have said it would never work. We refined our process of designs and made a superior product compared to all of our competitors. Check these out! Brand new Honda RT4WD Viscous Coupler p … read more

Our New VC design

Posted by AKDBuilt Performance on Jan 3rd 2021

Tired of spending 2500 dollars for a used Wagon Coupler and driveshaft? We hear ya and definitely understand your reluctance in using 30yr old Honda parts in your high performance vehicle. Ready for r … read more
LSD Differences explained.

LSD Differences explained.

Posted by AKDBuilt Performance on Jan 3rd 2021

For the Honda RTAWD/RT4WD rear differentials there are quite a variety of options when selecting a performance Limited Slip Differential (LSD) to fit your performance needs. Today we will discuss t … read more