
Vorsprung Unzerstörbar High-Strength Crankshaft Pulley Bolt Kit, Audi Supercharged 3.0T EA837 V6
Unbeatable Strength. Unrivaled Durability. Unzerstörbar.
When it comes to your Audi’s performance, settling for anything less than perfection is simply not an option. Introducing the Unzerstörbar Crank Pulley Bolts, specifically engineered for the Audi EA837 engine. Crafted from high-quality steel, these bolts offer a level of strength and reliability that your stock bolts simply can’t match. With our Unzerstörbar (indestructible) guarantee, you’ll experience superior durability and a rock-solid fit, mile after mile.
Key Features:
- Grade 14.9 Industrial Toughness: Designed from ultra-grade high-strength steel, these bolts are significantly stronger than traditional steel, ensuring they withstand the most demanding conditions without fail.
- Tested to Specification: For a bolt to be rated as a 14.9 grade bolt, they must meet a minimum tensile strength of 1440MPa (208854.3 PSI). These bolts have been tested and lab verified to 1520 MPA (220457.4 PSI), which is directly comparable to ARP hardware.
- Precision Engineered: Tailored specifically for the Audi EA837 engine, these bolts offer a precise fit and exceptional performance, eliminating the risk of breakage or failure under high stress. These bolts feature a 10mm socket head that has been machined to fit within the tolerances of the crank pulley.
- Corrosion-Resistant: Thanks to the black oxide's resistance to rust and corrosion, these bolts remain rock-solid, even in the harshest driving conditions—no more worrying about oxidation and wear.
- Unzerstörbar Durability: These bolts are made to endure the heat, torque, and vibration your Audi can throw at them. Whether you're on the autobahn or carving through twisty mountain roads, they’re built to last.
- Easy Installation: With a direct fit and straightforward installation process, upgrading your Audi's crank pulley bolts to the Unzerstörbar Crank Bolts is quick and hassle-free.
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Why Choose Unzerstörbar Crank Bolts?
- Unmatched Strength: Unlike weaker OEM bolts that are prone to snapping under pressure, the Unzerstörbar Crank Bolts will hold up, ensuring your engine runs smoothly without the worry of sudden failure.
- Built for Performance: Whether you're racing, track days, or just pushing your Audi to the limit, these bolts are ready for action.
- Perfect Fit for Audi EA837: Designed specifically for this engine, every bolt is crafted with precision for an exact fit—no modifications required.
Upgrade your Audi EA837 with Unzerstörbar Crank Bolts and experience a new level of performance, durability, and peace of mind. With these bolts under the hood, you’re ready for whatever your driving adventures throw at you.
Get ready to go further, faster, and stronger—because with Unzerstörbar, your engine is unstoppable.
Torque: 40 Nm plus blue thread locker (included).
25MM - OEM Length
30MM - Fluidampr and CTS Turbo
35mm - JHM
SKU: VA-UCPB-025, VA-UCB-030
Part Number Interchange:
- N 910 059 02
What’s Included:
- 8 Bolts (M8)
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

Vorsprung Unzerstörbar High-Strength Crankshaft Pulley Bolt Kit, Audi Supercharged 3.0T EA837 V6
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


