Reynard 101T 8-Bolt Ring Gear

Reynard 101T 8-Bolt Ring Gear

Designed as a direct replacement for the original Reynard 101T component, our 8-Bolt Ring Gear is engineered to meet the exacting demands of Formula 3000 competition.

Manufactured in-house by Ark Racing Limited, this gear is precision-machined from high-grade steel and treated with a Nitride hardening process for exceptional surface durability. A shot-peened finish enhances fatigue resistance, ensuring long-term performance under race conditions.

Built to professional motorsport standards, the gear balances strength, reliability, and mass—making it ideal for teams seeking uncompromising quality and consistency.

Also available in a 10-Bolt variant for alternative setups.

Suitable for: Reynard F3000

Specification:

Material: 817M40T (Steel)
Heat Treatment: Nitride
Surface Treatment: Shot Peened
Starter Ring: Ring Gear
Mass: Lightweight version 0.40 Kg (0.88 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.

ALSO AVAILABLE for use with Flywheels requiring Clutch Studs

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ALSO AVAILABLE for use with Flywheels requiring Clutch Studs |

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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Reynard 101T 10-Bolt Ring Gear

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Riley and Scott Sports Car Starter Motor