Classic Mini - Lightweight Flywheel

Flywheels
Written By Ark Racing Limited

Classic Mini Lightweight Steel Flywheel – Ark Racing Limited

Unlock sharper throttle response and race-ready performance with Ark Racing’s Classic Mini Lightweight Flywheel – precision-engineered in-house to meet the highest motorsport standards.

Crafted from high-grade steel, this flywheel undergoes advanced Nitride heat treatment and a shot-peened surface finish to deliver exceptional strength, fatigue resistance, and long-term durability. With a mass of just 1.95 kg, it’s one of the lightest steel flywheels available for the Classic Mini, designed to dramatically improve engine rev speed and overall responsiveness.

  • Mini Moke, Austin 850, Austin Cooper, Austin Mini, Innocenti Mini (1965–75), Leyland Mini, Morris 850, Morris Mini, Riley Elf, Wolseley 1000, Wolseley Hornet and BMC engine variants. Contact us with your enquiries.

    • Ultra-lightweight design for faster acceleration

    • Motorsport-grade materials and treatments for maximum reliability

    • Manufactured entirely in-house by Ark Racing Limited in the UK

    • Compatible with a wide range of BMC engine variants

  • Material: 817M40T (Steel)
    Heat Treatment: Nitride
    Surface Treatment: Shot Peened
    Starter Ring: Cut into the flywheel (Not a separate Ring Rear)
    Teeth: 129T
    OD (Outside Diameter): ø275 mm
    Mass: Lightweight version 1.95 Kg (2.20 lb)

*Power is no problem; this flywheel will take all you can throw at it, and your limit is your wallet!

weight convertor icon link to page Mass Convertor

  • BUT 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 as well.

CHECK OUT OUR COMPLIMENTARY PARTS FOR THE CLASSIC MINI WHICH INCLUDES OUR 
NEW CLASSIC MINI STARTER and CLASSIC MINI ALTERNATOR.

High-quality Classic Mini components available to order
Classic Mini-Alternator Adjustment Kit
Classic Mini Alternator
Classic Mini - Lightweight Flywheel
Classic Mini Starter Motor

Mini Moke / Austin 850 / Austin Cooper / Austin Mini / Innocenti Mini (1965–75) / Leyland Mini / Morris 850 / Morris Mini / Riley Elf / Wolseley 1000 / Wolseley Hornet (BMC engine compatible)

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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Classic Mini Alternator
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Classic Mini Starter Motor