JAS Motorsport JAS Tensei


Honda racing partner since 1995. Specialists in the 'Tensei', a Pininfarina-designed NSX restomod. Official: JAS Motorsport
Judd Power to develop engines for JAS Tensei supercar, designed by Pininfarina

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JAS has appointed Judd Power - the renowned British engineering company, created by John Judd Sr and Sir Jack Brabham in 1971 - as its engine partner for the brand-new Pininfarina-designed Tensei supercar.

Starting with the naturally-aspirated V6 engines of the first-generation Honda NSX, Judd Power will be responsible for the suitability checks, lightening and enhancements with high-tech upgrades at its factory in Rugby, UK, to deliver maximum performance.

Completely rebuilt, the 3.5-litre V6 engines by Judd will undergo dynamometer testing to verify and calibrate performance, focusing not only on power and torque delivery, but also on reliability.

Returned to the JAS production facility in Arluno (Milan), the engines will be installed in Tensei supercars, which remain faithful to the values of the orignal NSX, and then verified with track and road tests before final delivery.

Judd’s history is studded with successes, from developing and servicing winning Formula 1 engines to creating the first sub-100 kg unit to compete in the premier championship. From 1996 to 2004, the Judd KV engine was supplied to every team in the FIA F3000 International Championship, achieving nearly 100 victories in the series. Judd also built powerplants that achieved an overall victory at the 24 Hours of Daytona and multiple class wins at the 24 Hours of Le Mans.

John Judd Jr, Director of Judd Power, said: "We are delighted to have been chosen by JAS to lead the engine development for Tensei and to be working with them and their technical partners on this exciting project. We work on 3.5-litre engines, both modern and historic, on a daily basis and are looking forward to applying our engine knowledge to a nineties icon like the NSX in order to create a level of performance and driveability that makes it the envy of its class rivals in the modern world".
 
The JAS Tensei interior and spec LEAK

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  • Engine: 3.5L V6 DOHC VTEC
  • Power/Torque: 420 ps / 350 Nm
  • Transmission: 6-speed manual, Rear-Wheel Drive (RWD)
  • Dimensions: 4,417 x 2,000 x 1,160 mm
  • Production number: 35 Cars
  • Prices: €800,000, excluding the donor car.
 
Pininfarina’s Honda NSX Reboot Is Wider, Lower, Louder, And Absolutely Manual
Carscoops
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News of the NSX reboot by Pininfarina and JAS Motorsport was one of our 2025 highlights, and now the pair is pulling back the curtain a little more on this awesome restomod project at Milano Design Week.


Let’s start with the proportions, because that’s where Pininfarina’s team put a lot of focus, with some mind-blowing results. Compared to the original NSX, the Tensei runs a longer wheelbase, shorter rear overhang, wider track, lower stance, and bigger wheels. Lead designer Dimitri Vicedomini says once those changes were locked in, “the car almost designed itself.”

The result is an NSX that looks like it’s been hitting the gym since it was horrified by the sight of its skinny frame on the cover of Motor Trend in 1989, and hasn’t skipped a single session. But it’s great to see that key design elements from the OG, including the pop-up lights and integral rear spoiler, are retained in modified form.

Pure V6 Music, And A Manual

Under the skin is a naturally aspirated V6 based on the original’s engine architecture, engineered for maximum power, torque, and responsiveness. And it’s paired with a six-speed manual transmission. No turbos, no electrification, and no paddle-shift nonsense. The kind of powertrain setup that’ll make modern supercar buyers feel like they backed the wrong horse, even if the Tensei delivers far fewer horses.

We’ve also got a bit of an interior story this time around, though unfortunately, no images to go with it. Pininfarina says it’s been hard at work on the cockpit, keeping the original’s driver-focused ergonomics and visibility while introducing what they’re calling “higher perceived quality.” So expect bespoke switchgear and lots of fancy materials. Fingers crossed, we’ll get analog, rather than digital gauges.

The Tensei will be hand-built at JAS Motorsport’s atelier in Arluno, near Milan, with bespoke customisation options handled at Pininfarina’s own facility in Cambiano, Turin. The full reveal is still scheduled for later in 2026, when we’ll presumably find out how much it’ll cost and how many lucky people will get to own one.
 
While I do slightly get a bit of the "looks-like-a-GTA-car" vibe from it, I also think I prefer it to many/most other sub-million sports cars.
 
They've ruined it IMO, I don't like that they have replaced the aluminum body panel with carbon fibre, the entire premise of the NSX was it's full aluminum construction.
 

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