Delivery Information
We pride ourselves on providing you with the very best delivery service for your RCM Consignment.
We work closely with our logistics partners who will ensure your goods arrive safely and in good time.
For UK based, European & Rest of the World Consignments we use both Royal Mail and DHL Express.
Royal Mail orders must be received by 12.30 noon (UK Time) for same day shipping.(*Subject to availability).
National & International courier orders must be received by 3pm (UK Time) for same day shipping.(*Subject to availability).
Tracking information will be sent to you once your order has been processed, alternatively you can track the consignment using the following web addresses:
UK Shipping Guide
|
Service |
Destination |
Delivery Time |
Consignment Weight |
Trackable |
Details |
|
Royal Mail - 1st Class Post |
UK |
1-2 working days |
Up to 2kg |
No |
|
|
Royal Mail - 1st Class Signed for |
UK |
1-2 working days |
Up to 2kg |
Yes |
Provides proof of delivery |
|
Royal Mail - Special Delivery |
UK |
Next working day before 1pm |
Up to 2kg |
Yes |
Guaranteed Saturday delivery also available if required. |
|
UK Courier - DHL |
UK |
Next working day before 5pm |
Up to 70kg |
Yes |
Longer delivery times for Scottish Highlands & Islands, Isle of Man, Channel Isles & Scilly Isles |
International Shipping Guide
|
Service |
Destination |
Delivery Time |
Consignment Weight |
Trackable |
Details |
|
Royal Mail - International Tracked & Signed for |
International |
5-15 working days |
Up to 2kg |
Yes |
Proof of Delivery can be found on the Royal Mail website |
|
DHL Express |
International |
1-6 working days |
Up to 70kg |
Yes |
Proof of Delivery can be found on the DHL website |
Proof of Delivery can be found on the DHL websiteFor confirmation of DHL international transit times please see https://www.dhlexpress.nl/sites/default/files/dhl_express_transit_times_2022.pdf
Custom Duties & VAT
- The RCM website gives you product pricing including and excluding VAT.
- If you are purchasing goods from within the UK you will be charged VAT at 20%.
- If you are purchasing goods from outside the UK, you will not be charged VAT.
- If purchasing from outside the UK, you will be charged duty and VAT on the goods you have purchased from RCM as it enters your country. It will be the responsibility of the purchaser to make sure these extra charges are paid on entry into the importing country.
DESCRIPTION
STI Chromoly Lightweight Flywheel – ST123104S000
Optimised for 6‑Speed Performance
Crafted from high-strength chrome‑molybdenum steel, this flywheel trims rotational mass compared to stock units—delivering noticeably sharper throttle response and quicker engine revs and deceleration
Engineered Build & Finish
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Material: Durable chrome‑moly steel
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Weight: 7.2 kg — significantly lighter than OEM counterparts
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Diameter: 240 mm
Designed exclusively for 6-speed manual (6MT) Subaru transmissions
Vehicle Compatibility
Ideal for turbo Subaru models with 6MT under the SF, SG, GD, GG, GV, GR, and VA chassis codes ranging from early Forester and Impreza WRX STI through to the latest STI generations
Benefits of Upgrading
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Rev-Responsive Driving: Reduced inertia gives your engine the agility it needs—experience livelier throttle feel and faster rev recovery.
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Street & Track-Ready: Motorsport-grade construction balances performance with everyday usability—though idle stability and clutch feel may be sharper than stock
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Direct OEM Fitment: Drop-in replacement for ST123104S000/PT120101—no machining or extra mods required on 6MT setups
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.