⚡ Kong Performance Ignition Timing Advance Brackets

Unlock hidden horsepower from your Mercury Racing 400R or 425 V10 with the Kong Performance Timing Advance Brackets.

Precision CNC machined from a single piece of stainless steel, these bolt-on brackets optimize ignition timing to deliver more power throughout the entire RPM range, with no ECU tuning required.

🚀 Performance

• +25 to 30 HP per engine
• Stronger low-end acceleration / better Hole shot 
• Increased mid-range torque / acceleration
• More top-end power / higher top speed
• Improved overall throttle response
• 20-30 minute installation per engine

🔧 Premium Construction

• CNC machined from one solid piece of stainless steel
• Marine-grade corrosion-resistant construction
• Includes all required stainless steel hardware
• OEM-quality fit and finish

⛽ Fuel Requirement

Minimum recommended fuel: 90 octane.

✅ Fits

• Mercury Racing 400R V10
• Mercury Racing 425 V10

🛡️ Lifetime Warranty

This product is Backed by the Kong Performance Lifetime Warranty, so you can buy with confidence knowing your brackets are built to last.

⚠️ Warranty Notice

This product is intended for enthusiasts seeking maximum performance from their Mercury Racing engine.

Please be aware that installing aftermarket performance parts may affect your engine's factory warranty. The engine manufacturer may deny warranty coverage for failures or issues determined to be related to, or caused by, this performance upgrade.

By purchasing and installing this product, you acknowledge this possibility and accept full responsibility for any impact to your manufacturer's warranty.

SMG ordering and fitment notes

This Kong Performance catalog item is supplied for the applications described above. Verify the exact vehicle, engine, supercharger, bolt pattern, finish, pulley ratio, and supporting hardware before ordering. Contact SMG before purchase when the combination is unusual or when the product requires machining, calibration, or another Kong component.

Processing and shipping

Processing occurs before shipping. Kong products may be special-order or vendor-fulfilled and can require additional handling time before carrier pickup. Expedited shipping changes transit time after shipment and does not shorten manufacturing, machining, or order processing. Any product-specific lead time or availability note above takes priority.

Installation responsibility

Performance components should be installed and calibrated by a qualified professional. The purchaser is responsible for verifying compatibility, safe operating limits, emissions legality, and suitability for the intended vehicle and use.