Can I also have the parts installed?

We have a workshop where we can provide installation for many parts, such as drivetrain, limited-slip differentials, clutches, suspension, and wheel alignment.

Is the stock shown in the webshop accurate?

Yes, our stock indicates local inventory in Kruiningen. We also have this page with average delivery times for backorder products: https://www.motorsportparts.nl/voorraad/

How long does a differential or transfer case rebuild take?

The majority of rebuilds take 1 working day. For larger jobs requiring CNC work, we will provide an estimated time per case.

Is shipping outside the Netherlands or Europe possible?

Yes, we ship worldwide at competitive rates. Please contact us for a custom quote.

Is your differential not listed in the webshop yet?

We rebuild many brands. If yours isn't listed, please contact us for conditions and a cost estimate.

Will my order be shipped today?

DHL pickup is daily around 15:00. Orders received before 13:00 that are in stock are usually included.

Can a limited-slip differential be adjusted or tuned?

Yes, we can modify and tune almost any LSD. We are the leading specialist in Europe for tuning OS Giken Superlocks, building competition-winning setups for street, rally, drift, and off-road use.

Overview

Cylinder head bolt set Head Stud Kit VW-AUDI 2.7L V6 Kit 204-4105

€586,49

Price excluding VAT: €484,70

Our stock:

0 Items

Item No.:

204-4105

SKU:

Cylinder head bolt set Head Stud Kit VW-AUDI 2.7L V6 Kit 204-4105

Cilinderkopbout set Delivery time: Out of stock at supplier, delivery time unknown (Supplier stock indication updated on: 18-03-2026 19:09. This status is an indication.)

More ARP | More Engine and cooling

Cilinderkopbout set Head Stud Kit VW-AUDI 2.7L V6 Kit 204-4105

zie extra informatie voor installatie instructies

Neem contact op voor details of installatie bij ons.

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🔧 OEM Part Number Information

Brand: ARP

Accepted OEM number: 078103385F MEDIUM

OEM Suggestions:

078103385F — Audi/VW — Cylinder head bolt
078103385E — Audi/VW — Cylinder head bolt

🚗 Compatible vehicles:
Audi A4 (B5, B6, B7) 2.7T, Audi A6 (C5) 2.7T, Audi S4 (B5) 2.7T, Audi RS4 (B5) 2.7T, VW Passat (B5) 2.8 V6

The ARP 204-4105 kit is specifically designed for the 2.7L V6 engines of VW and Audi. Several sources list 078103385F and 078103385E as the OEM numbers for the cylinder head bolts for these engines. There may be slight differences between the OEM bolts and the ARP studs, but they are functionally equivalent. It is important to note that there may be multiple versions of the cylinder head bolts, depending on the exact model and year of manufacture.

⚠️ OEM match automatically generated by AI with MEDIUM confidence. Always verify the OEM number matches your specific vehicle.

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Cylinder head bolt set Head Stud Kit VW-AUDI 2.7L V6 Kit 204-4105

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