Nissan NPT-90 Flywheel

Flywheels
Written By Ark Racing Limited

Nissan NPT-90 Lightweight Flywheel – Ark Racing Motorsport Series

Ark Racing Limited presents the ultra-lightweight Nissan NPT-90 flywheel, weighing just 0.33 kg. Designed, developed, and precision-manufactured in-house, this flywheel is built to meet the rigorous demands of professional motorsport. Crafted from high-grade steel and treated with advanced Nitride heat treatment and a shot-peened surface finish, it offers exceptional strength, durability, and reduced rotational mass.

Engineered for maximum performance, the NPT-90 flywheel delivers faster engine response and improved acceleration, making it ideal for competitive racing environments. Trusted by motorsport professionals, this flywheel is a premium upgrade for serious Nissan race builds.

Suitable for: Nissan NPT-90

Specification:

Material: 817M40T (Steel)
Heat Treatment: Nitride
Surface Treatment: Shot Peened
Starter Ring: Cut into the flywheel (Not a separate Ring Gear)
Mass: Lightweight version 0.33 Kg (0.66 lb)

weight convertor icon link to page Mass Convertor

  • What it does achieve is it reduces the rotating mass and inertia in your vehicle. The result is your engine isn’t using valuable horsepower spinning up a heavy flywheel; it's going straight to your wheels onto the road, which is where you need it, with the bonus of making your car lighter.

Starter Motors and Flywheels for Nissan engines for Motorsport & Historic Sports Cars include.

Nissan 350z Flywheel | Nissan Micra 1.4 Starter Motor | Nissan NPT-90 Starter Motor | Nissan NPT-90 Flywheel | Nissan Skyline GTiR 8-Bolt 7.25” Flywheel | Nissan Skyline GTiR 6-bolt Flywheel | Ralt RT-32 Hi-Torque Starter Assy

Whatever your requirements are, whether high-output, high-torque, weight-reduction or something more specific, Ark Racing Limited can provide a solution.

Image Nissan NPT 90 starter motor suitable for use with Ark Racings Nissan NPT (90 Flywheel

NPT 90 Starter

ALSO AVAILABLE for use with Flywheels requiring Clutch Bolts

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ALSO AVAILABLE for use with Flywheels requiring Clutch Bolts |

We recommend using our Clutch Bolts which come with K-Nuts at a competitive price, in some instances SAVING 25% over our competitors.

SAVE up to 25% over competitors

More sizes are available
or can be produced please call

📞0345 557 7408

More sizes are available or can be produced in Concentric & Eccentric variants, please enquire.

If you can’t find what you’re looking for, contact us.

Ark Racing can create a solution to meet your requirements.

Call us on +44 (0)345 557 7408 or complete our online contact form.

Contact us
Ark Racing Limited

We design, develop, and manufacture bespoke starter motor systems, high-quality flywheels, and provide precision machining for the professional motorsport industry.

Located in Willenhall in the West Midlands, we pride ourselves on delivering a professional service.

Established in 1968, Ark Racing® Limited provide a complete service, from concept to the finished product.

We also provide precision and sub-contract machining via our other website, www.arkcnc.co.uk.

https://www.arkracing.com
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Nissan NPT-90 Starter Motor
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