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ZRP BMW M5 & M6 V10 S85B50 HD Series Connecting Rods
1,599.99€
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In Stock - Available from Supplier
Dispatch between 16 December - 23 December.
The ZRP BMW M5 & M6 V10 S85B50 HD Series Connecting Rods bring a level of strength that suits the character of the S85 engine. This V10 loves to spin, and once you raise the load on it, the factory rods start to feel like the weak link. You know what? That’s when a set built for real pressure starts to make sense.
ZRP forms these rods from 4340 high-tensile steel and shapes them to handle serious power without turning them into heavy blocks of metal. Inside, AMPCO 18 bushings keep their form under heat and stress, and the small radial groove works like a built-in oil pocket that keeps movement smooth when the engine rushes through the rev range. It sounds simple, but little things like that go a long way when you’re pushing a V10 hard.
After machining, each rod goes through shot peening to ease stress in the material, followed by a multi-stage heat process that gives the structure a firm, stable feel. Clearances stay tight. Bend and twist stay under control. And once everything sits in place, the fit feels exactly how a performance build should—clean, precise, and reassuring.
Every rod comes fitted with ARP 2000 bolts rated at 220,000 psi, and you can pick ARP L19 bolts for even more strength if your build demands it. ZRP supplies ARP moly and full fitting instructions, which keeps the install clear and predictable for anyone familiar with engine assembly.
For M5 and M6 owners building a stronger, more confident S85, these HD Series rods give the bottom end the backbone it needs. They settle the engine, add peace of mind, and help the V10 breathe and respond the way fans of this platform love.
FEATURES
- I-Beam Shape for extra rigidity
- Two-Piece forging for great strength
- Shot Peening for improved fatigue life
- Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
- Double ribbed caps for added support
- Multi Stage Heat Treatment for maximum strength, dimensional stability, and fatigue life.
- CNC machining for superior tolerances, precise as much as 0.0002″
- Center to center is maintained under .001″ tolerance
- Finite Element Analysis (FEA) Computer generated stress analysis of con rods
- Optimal balancing for weight matched sets of ± 1gram
EXTENDED MACHINING CHARACTERISTICS
- “Straight Cut” Pin End – Suitable for aftermarket pistons
- Dowel sleeves for perfect fit and accurate re-assembling
- Lipped Cap Relief for improved big-end integrity at extreme application
- Grooves in Thrust Face for weight reduction
APPLICATIONS
- 2005–2010 BMW S85B50 E60 M5 5.0L
- 2005–2010 BMW S85B50 E63 M6 5.0L
- 2006–2010 BMW S85B50 E64 M6 5.0L
NOTES
Horsepower range for these rods is 175HP. per cylinder with ARP 2000 fasteners and 200HP with ARP L19 fasteners
ADDITIONAL INFORMATION:
| Brand | |
|---|---|
| Shape | I-Beam |
| Material | High Tensile Steel 4340 |
| Length | 140.72mm |
| Small End | 21.00mm |
| Bolt Size | 3/8" |
| Application | 5.0L M5 & M6 V10 S85 |
| Big End | 56.60mm |
| B.E Width | 18.45mm |
| Set Of | 10 |
| Discplacement | 5.0L |
| Pin Size | 22.00mm |
| Series | – |
| Engine | 5.0L – S85B50 |
| Note | Non-Tapered Pin End / Straight PE |
PREPREG is a common term for a reinforcing fabric such carbon which has been pre-impregnated with a resin system. This resin system (typically epoxy) already includes the proper curing agent. As a result, the prepreg is ready to be laid into the mold without the addition of any more resin. In order for the laminate to cure, an autoclave production process is used, a combination of high pressure and heat.
- Maximum strength and performance characterictics. In a hand layup production process, it is difficult to achieve 50% fabric and 50% resin content. Typical hand laminates, even when vacuum bagged, end up with a significant amount of excess resin. Excess resin increases brittleness and reduces overall strength properties. On the other hand, most prepregs contain around 35% resin. This is ideal for maximum cured properties and generally impossible to achieve in normal hand lamination.
- Uniformity and repeatability. The prepreg is of uniform thickness and each part coming out of the mold may theoretically be the same. Vacuum bagging technology may have some errors in processing, but prepreg ensures production consistency.
- Reduce curing time. After the thermal curing cycle, no need to wait for the standard 48 hours can be fully cured.
- Aesthetics. Although prepreg processing still requires mold preparation and demoulding, prepreg processing eliminates air bubbles, makes it easier to obtain a smooth, glossy surface as well as eliminates any seaming lines.
We offer free tracked shipping on all orders within mainland EU. Orders to remote areas such as Malta, Cyprus, and Iceland may incur a surcharge. Worldwide shipping is also available—please contact us for a quote.
Most orders dispatch within one business day (Monday to Friday). EU delivery takes 3–5 working days from dispatch, and tracking details will be provided via email once your order has shipped.
Please note that import taxes may apply outside the EU, and these are the responsibility of the buyer. Some items may ship directly from our suppliers and may have varying delivery times. If an item is out of stock, we will contact you to discuss the available options.
RETURNS
Changed your mind? You can return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is the customer’s responsibility unless the item is faulty.
Custom, used, or built-to-order items are non-returnable.
Once we receive and inspect your return, refunds are typically processed within 10 business days.
If your item is damaged or incorrect, contact us within 48 hours with photos and order details.
WARRANTY
All VA and VA Motorsports products come with a 1-year limited warranty covering manufacturing defects and fitment issues. For third-party items, warranty terms vary by brand—please check the product listing or contact us for details.
This warranty does not cover wear and tear, incorrect installation, cosmetic damage, labor, or third-party costs.
To start a claim, email us with your order number, issue description, and photos. If the claim is approved, we’ll offer a replacement, store credit, or a refund.
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