Which cars does the GSC Beehive Valve Spring Kit fit?

GSC lists the 2017 and newer Audi R8 with the 5.2 liter V10 and the Lamborghini Huracan from 2014, including the 610, 580, Performante, EVO, STO and Tecnica. The Gallardo and the first generation R8 are not listed by GSC, so this Beehive Valve Spring Kit should not be ordered for either of those cars.

Forty beehive valve springs, forty titanium retainers, forty chromoly spring seats and forty Viton valve stem seals, which covers every valve in the V10. Valve keepers, valves, guides and gaskets are not part of the kit, so reuse or source those separately when the cylinder heads are opened up.

What are the spring pressures and lift limit?

GSC lists 101 lb of seat pressure at a 1.415 inch installed height and 233 lb of open pressure at 0.943 inch, which is 12.0mm of lift. Coil bind is 0.900 inch and maximum valve lift is 0.472 inch. Check that the camshafts fitted to the engine stay under that lift figure before ordering.

Why a beehive spring instead of a dual spring?

GSC says its beehive springs, wound from ovate wire with smaller top coils, are more stable than standard single or dual cylindrical springs. The narrow top allows a smaller, lighter retainer, and in this kit that retainer is titanium, so the valve can accelerate faster. GSC recommends the design for high boost and high rpm engines.

Does a naturally aspirated Huracan need these springs?

No. GSC designed this kit for engines with forced induction. On a naturally aspirated 5.2 V10 running factory camshafts, the factory springs are matched to the engine and GSC states no benefit from changing them. The kit makes sense when a turbo or supercharger system is being fitted, or when the engine is already boosted.

What does the GSC warranty cover?

GSC covers defects in the product itself. Consequential damage, including engine damage, labor, towing and vehicle downtime, is not covered, and racing applications are subject to specific policy conditions. Correct installation and matching the springs to camshafts within the published lift limit are the practical ways to stay within that coverage.

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Description

GSC Power-Division Beehive Valve Spring Kit with Titanium Retainers for LB724 Lamborghini Huracan and 4S Audi R8 V10

GSC Power-Division’s Beehive Valve Spring Kit with Titanium Retainers for LB724 Lamborghini Huracan and 4S Audi R8 V10 replaces every spring, retainer, seat and stem seal on the 5.2 V10 in one box, 40 of each, and it exists for engines that are about to see boost. GSC designed it for forced induction, where higher cylinder and manifold pressures ask more of the valvetrain than the factory springs were sized for. The beehive form tapers toward the top coils, so the retainer can be smaller, and GSC makes those retainers in titanium to take more mass off the valve again. Seat pressure is 101 lb at a 1.415in installed height, rising to 233 lb open at 12mm of lift. This is a twin-turbo or supercharger part; a naturally aspirated car on factory camshafts has no reason to change its springs.

Construction

GSC winds its beehive springs progressively from ovate wire, with smaller-diameter top coils, and rates the design as more stable than a conventional single or dual cylindrical spring. The lighter retainer the shape allows lets the valve accelerate faster for the same seat load. Retainers are titanium, spring seats are chromoly and the stem seals are Viton, with enough of each for all 40 valves in the V10. Coil bind sits at 0.900in and maximum valve lift is 0.472in, so any camshaft fitted with the kit has to stay inside that figure.

Features

Complete 40-valve set of springs, retainers, seats and stem seals
Progressively wound beehive springs in ovate wire
Titanium retainers to reduce valvetrain mass
Chromoly spring seats and Viton valve stem seals
The Beehive Valve Spring Kit is engineered for forced-induction 5.2 V10 builds

Specifications

Seat pressure: 101 lb at 1.415in installed height
Open pressure: 233 lb at 0.943in (12.0mm lift)
Coil bind: 0.900in
Maximum valve lift: 0.472in (12mm)
Spring type: Beehive, single spring
Retainer material: Titanium

What’s Included

40 beehive valve springs
40 titanium retainers
40 chromoly spring seats
40 Viton valve stem seals

Applications

Audi R8 V10: 4S | 2017-2023 | 5.2L V10
Lamborghini Huracan: LB724 | 2014-2024 | 5.2L V10

Notes

Valve keepers, valves, guides and gaskets are not part of the kit
Confirm that the camshafts on the engine stay within the 0.472in maximum valve lift
Installation is cylinder head work, and we recommend it is carried out by an engine builder familiar with the 5.2 V10
GSC covers defects in the product itself; engine damage, labor, towing and vehicle downtime are excluded, and racing use is subject to its specific policy conditions
For the fuel side of the same build, see the Injector Dynamics ID1750-XDS Injector Set for LB724 Lamborghini Huracan and 4S Audi R8 V10 1750.34.14.14.10

Frequently Asked Questions

Which cars does the GSC Beehive Valve Spring Kit fit? GSC lists the 2017 and newer Audi R8 with the 5.2 liter V10 and the Lamborghini Huracan from 2014, including the 610, 580, Performante, EVO, STO and Tecnica. The Gallardo and the first generation R8 are not listed by GSC, so this Beehive Valve Spring Kit should not be ordered for either of those cars.
What is in the box? Forty beehive valve springs, forty titanium retainers, forty chromoly spring seats and forty Viton valve stem seals, which covers every valve in the V10. Valve keepers, valves, guides and gaskets are not part of the kit, so reuse or source those separately when the cylinder heads are opened up.
What are the spring pressures and lift limit? GSC lists 101 lb of seat pressure at a 1.415 inch installed height and 233 lb of open pressure at 0.943 inch, which is 12.0mm of lift. Coil bind is 0.900 inch and maximum valve lift is 0.472 inch. Check that the camshafts fitted to the engine stay under that lift figure before ordering.
Why a beehive spring instead of a dual spring? GSC says its beehive springs, wound from ovate wire with smaller top coils, are more stable than standard single or dual cylindrical springs. The narrow top allows a smaller, lighter retainer, and in this kit that retainer is titanium, so the valve can accelerate faster. GSC recommends the design for high boost and high rpm engines.
Does a naturally aspirated Huracan need these springs? No. GSC designed this kit for engines with forced induction. On a naturally aspirated 5.2 V10 running factory camshafts, the factory springs are matched to the engine and GSC states no benefit from changing them. The kit makes sense when a turbo or supercharger system is being fitted, or when the engine is already boosted.
What does the GSC warranty cover? GSC covers defects in the product itself. Consequential damage, including engine damage, labor, towing and vehicle downtime, is not covered, and racing applications are subject to specific policy conditions. Correct installation and matching the springs to camshafts within the published lift limit are the practical ways to stay within that coverage.

About GSC Power-Division

GSC Power-Division has designed camshafts and valvetrain components in North Charleston, South Carolina, since 2004, and develops and manufactures much of its range in-house. Its springs, retainers and camshafts run in championship-winning drag, drift, road race and time attack cars, and the same engineering goes into its kits for turbocharged road engines.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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GSC Power-Division Beehive Valve Spring Kit with Titanium Retainers for LB724 Lamborghini Huracan and 4S Audi R8 V10 [5025]

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GSC Power-Division Beehive Valve Spring Kit with Titanium Retainers for LB724 Lamborghini Huracan and 4S Audi R8 V10

Construction

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About GSC Power-Division

Reviews