Description
Rev higher and drive faster with confidence. Supertech's 2.5L 5 Cylinder valve spring & retainer kit uses high-quality steel and military certified titanium for durable performance.
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Features
- Safely increase your power range
- Protects against valve float in high-rpm engines
- Complete kit of 20 valve springs & matching retainers
- Direct fit, no machining or modifications required
- Works with all stock or aftermarket valves
- Steel alloy valve springs with higher spring rates
- Low-weight & ultra-durable titanium retainers
Safely Increase Your RPM Range
Safely increase your powerband and rev higher by upgrading your valve springs and retainers, a must for anyone looking to rev out past 7500rpm. Performance valve springs feature higher spring rates reducing the chance of valve float and engine damage at higher RPM. Titanium retainers reduce mass allowing the valve train to rev higher, faster. The use of titanium provides an adequate fatigue life to be acceptable for all but the highest mileage street use. Supertech's 2.5LI spring kit is rated for use in engines up to 8300-8500rpm.
Technical Details
All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpm. Using high-quality steel alloy also provides the added benefit of a better structural memory of the spring. The valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. This software also allows Supertech to ensure that the harmonics are under control, this advanced technology is combined with high-quality steel alloy making Supertech valve springs more durable in extreme conditions. Supertech valve springs give your performance street or race engine a serious competitive advantage in both performance and durability.
Supertech retainers are manufactured with high-quality military grade Titanium alloy and CNC machined for an exacting fit.
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Compatibility
- Audi 8J TTRS Quattro 2.5T (2009-2013)
- Audi 8S TTRS Quattro 2.5T (2016-present)
- Audi 8V RS3 2.5T (2015-present)
- VW Beetle 2.5L (2011-2019)
- VW Golf MK5 2.5 (2005-2009)
- VW Golf MK6 2.5 (2010-2014)
- VW Jetta MK5 2.5 (2005-2010)
- VW Jetta MK6 Saloon 2.5 (2010-2014)
- VW Jetta MK6 Sportwagen (2011-2014)
- VW New Beetle 2.5L (1998-2010)
- VW Passat B7 2.5L (2012-2013)
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Part Number
ST-SPRK-A2416-5
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More information
Manufactured by
Supertech
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
The AutoHouse Advantage: Global sourcing power paired with specialized expertise. We utilize an expansive supply network of over 600,000 SKUs to deliver world-class components with an enthusiast’s precision.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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Project Incentives:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
• AH25 — $25 OFF $500+ | • AH60 — $60 OFF $1000+
• AH180 — $180 OFF $3000+ | • AH400 — $400 OFF $6000+
• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Leveraging our massive supply chain, we secure hard-to-find components that other shops can't access. Whether it's a standard upgrade or a custom exotic application, we have the network to get it to your door.
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Direct Consultation:
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Flexible Returns:
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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