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M Mclaren 720S/765LT/750S/Senna/GT M840T Stage 2+ Hardware Kit with ID1050-XDS Fuel Injectors | Set of 16 and Race Spec Harness

$3,300.00
  • Complete kit to upgrade to Stage 2+ power with M-Tuner

  • Includes 16 ID1050-XDS high-flow fuel injectors

  • Race Spec plug-and-play harness – no cutting or repinning OEM wiring

  • Corrosion-resistant internals for long service life with all fuels

  • Dual Slope Matching for precise fueling and cylinder-to-cylinder consistency

  • Supports high boost with stable operation up to 10 bar

  • Designed specifically for the McLaren M840T engine

  • Ideal for enthusiasts seeking reliable performance gains

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Available

M Mclaren 720S/765LT/750S/Senna/GT M840T Stage 2+ Hardware Kit with ID1050-XDS Fuel Injectors | Set of 16 and Race Spec Harness

Stage 2+ Injector Kit for M840T (Includes ID1050-XDS Injectors & Harness)

This isn’t just another part in a catalog—our team at Function Factory Performance has installed and validated this product in-house. You’re buying a component we’ve tested ourselves, backed by professional documentation and hands-on experience.

Already have M-Tuner but want to step up to Stage 2+?
This kit includes everything you need to get there — injectors and plug-and-play harness — without cutting or repinning your factory wiring.


Why This Kit?

  • No cutting, no splicing: Aftermarket harness eliminates the need to modify your OEM engine harness.

  • Race Spec Harness: Built exclusively for M-Engineering, 100% Plug and Play.

  • Best Injectors Available: Includes Injector Dynamics ID1050-XDS — the most documented and proven injector option for McLaren platforms.

  • Complete Set of 16 Injectors: Replaces all factory injectors on the M840T.

  • Direct Upgrade for Stage 2+: The same injector setup used in all M-Engineering staged power packages.


ID1050-XDS Key Benefits

  • Dual Slope Matching: Provides consistent fueling across linear and nonlinear ranges.

  • Cylinder-to-Cylinder Consistency: Better idle and low pulse width performance.

  • Corrosion-Resistant Internals: Safe for all known fuels, including corrosive types.

  • High Pressure Stability: Stronger magnetic circuit ensures reliable operation up to 10 bar.

  • Replaceable Inlet Filter: Extends service life.


Specifications

  • Flow Rate: 1065 cc/min @ 3.0 Bar (43.5 psi) using gasoline at 52°C (125°F)

  • Max Differential Pressure: 10.0 Bar (145 psi)

  • Fuel Compatibility: Works with all known fuels


Requirements

⚠️ Aftermarket high-flow downpipes are required for Stage 2+ (not included).


Return Policy

  • All sales are final and non-refundable.

  • Calibrations and injectors are matched to individual vehicles.

  • M-Engineering is not liable for misuse, installation errors, or mechanical issues.

  • Customers are responsible for proper installation, maintenance, and ensuring vehicles are up to date with manufacturer service bulletins.

  • Remote diagnostic support is available to assist with troubleshooting.

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Frequently Asked Questions

How long does it take for my parts to ship?
If it’s in stock and ready to roll, your order usually hits the road within 1–3 business days.

For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.

Either way, we’ll keep you updated so you know exactly when your parts are leaving the pit lane.
Do you send tracking with my order?
Absolutely. Once your order ships, you’ll receive an email with a tracking link so you can follow its journey from our shop to your doorstep.

If your order ships via freight, you’ll get a separate email with a direct link to the carrier’s tracking page — easy and stress-free.
What happens if my parts get lost or damaged?
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.

If your shipment is lost, just email or call us — we’ll help track it down and guide you through the next steps to make it right.
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Wait, Don't Go Yet!

Hold up—leaving so soon? Your cart’s revving up with some top-tier gear, and it looks like you might be missing out! Just to sweeten the deal, use the discount code Hohoho at checkout for an irresistible price drop. Think of it as our little nudge to help you cross the finish line. Don't let your performance parts feel abandoned—give them the garage space they deserve!