By 1970, Plymouth’s Barracuda had reached its most aggressive and expressive form. The E-body platform gave designers room to stretch proportions, widen track, and lean fully into performance intent. But even in that context, not every Barracuda left the factory destined to become a blunt instrument. Some, like the Gran Coupe, were positioned as more refined interpretations—cars that balanced style and comfort with muscle-era attitude.

This example began life as one of those Gran Coupes. What followed was not a quick build or a trend-driven restomod, but a long-term, ground-up transformation guided by patience and purpose. Completed in 2023 after roughly a decade of work, the car was rebuilt from largely original sheet metal and reimagined as a modern street machine that still respects its E-body roots. Offered today by RK Motors under stock number 138102, it represents a carefully considered evolution rather than a departure from the Barracuda’s original identity.

The exterior sets the tone immediately. Finished in Hemi Orange and accented with a HEMI hockey stripe, the car is unmistakably Mopar, yet far from stock. Subtle metalwork reshapes familiar lines: the front valance was extended and reworked, the rear valance molded in, and the rockers lengthened to hide the pinch welds. Marker lights were shaved, bumpers tucked tight to the body, and Harley-Davidson Road King driving lights integrated into the front valance with LED turn signal functionality. The result is cohesive and intentional, enhancing the Barracuda’s aggressive silhouette without obscuring it.

At the center of the build is the component that defines the entire car. Power comes from a limited-production 526ci Indy Cylinder Head “Who’s Next” HEMI V-8, rated at approximately 650 horsepower. Only about 20 of these engines were produced as part of a collaboration with Bill Goldberg, and this example is believed to be the only one assembled with FAST XFI fuel injection directly by Indy’s in-house team. It’s an iron-block, naturally aspirated engine that achieves supercar-level output through displacement, airflow, and careful engineering rather than forced induction. Aluminum 426 Legend heads, a Comp hydraulic camshaft, and modern electronic fuel management give it instant response and street-friendly precision. Cooling is handled by a BeCool radiator, while ceramic-coated long-tube headers feed a full X-pipe exhaust with DynoMax mufflers.

That power is managed by a Tremec TKO500 five-speed manual transmission with a hydraulic clutch and a Hurst Pistol Grip shifter, sending torque rearward to a Moser Dana 60 with 3.73 gears and a limited-slip differential. Underneath, the chassis has been comprehensively modernized. An RMS AlterKtion front suspension, Ridetech four-link rear setup, and QA1 coilovers provide composure and control, while four-wheel power disc brakes and rack-and-pinion steering bring the car’s dynamics firmly into the modern era. Intro Pentia wheels—18 inches up front and 19 inches out back—are wrapped in Michelin Pilot Sport 4S tires, giving the car a contemporary stance and real-world grip.

Inside, the approach mirrors the rest of the build. The factory E-body layout remains recognizable, but nearly every surface has been refined. New Vintage USA Detroit-series gauges occupy the stock cluster, paired with an Ididit tilt column and the familiar feel of the Hurst shifter. Vintage Air climate control adds modern comfort, while Dynamat insulation helps manage heat and noise. Audio duties are handled by a Pioneer head unit with Bluetooth connectivity, feeding JL Audio speakers and an Alpine amplifier and subwoofer. A discreetly mounted fire extinguisher between the seats underscores the car’s performance-first intent.

With just over 4,200 miles showing since completion, this Barracuda tells a story of restraint as much as ambition. It doesn’t attempt to rewrite history or overwhelm with excess. Instead, it presents a clear idea of what a 1970 Barracuda can become when modern engineering is applied thoughtfully and without shortcuts. Equal parts muscle car and modern performance machine, it stands as a cohesive, purpose-built interpretation—finished, sorted, and ready to be driven.

See it here.