Alfa Romeo P3 Ring Gear

Alfa Romeo P3 Ring Gear

Engineered in-house by Ark Racing Limited, this Alfa Romeo P3 ring gear is built to exacting motorsport standards for strength, durability, and weight optimisation. Manufactured from high-grade steel and treated with advanced Nitride heat hardening and shot-peened surface finishing, it delivers exceptional wear resistance and fatigue strength under high-performance conditions.

Ideal for vintage racing applications, this precision component reflects Ark Racing’s commitment to quality, reliability, and motorsport-grade engineering.

Developed and manufactured to professional motorsport standards, keeping strength, durability and weight (mass) in mind.

Suitable for: Alfa Romeo P3 engine (1934)

Specification:

Material: 817M40T (Steel)
Heat Treatment: Nitride
Surface Treatment: Shot Peened
Starter Ring: Ring Gear
OD (Outside Diameter): ø248.92 mm
Mass: TBC

weight convertor icon link to page Mass Convertor

Have you seen our other Alfa Romeo products like the
Alfa P3 Starter and Adapter Kit?


Ark Racing design and manufacture numerous Starter Motors and Flywheels for Alfa Romeo engines for Motorsport & Historic Sports Cars.

Alfa Romeo P3 Ring Gear | Alfa Romeo V8 Group C Starter Motor | Alfa Romeo F3 Flywheel | Alfa P3 Starter Motor and Adapter Kit


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


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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