Spark Plug UR5 V-Power | NGK 2771

Spark Plug UR5 V-Power | NGK 2771

Spark Plug UR5 V-Power | NGK 2771

Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics.

• NGK spark plug UR5
• Stock number 2771
• 14mm thread size
• 11.6mm thread length
• Resistor
• Tapered seat
• V-Power Type
• Gap 0.039 in. (1.0mm)
• 5/8 in. or 16mm hex
• Replaces Champion RV12YC
• Replaces Indmar 985026
• Replaces OMC/Johnson/Evinrude 912937
• Replaces Pleasurecraft Marine RP030002

Additional Information

Expert Ignition with the NGK UR5 V-Power Spark Plug 2771

Achieving peak engine performance requires precise ignition components. Consequently, the NGK UR5 V-Power Spark Plug 2771 is a premier choice for demanding enthusiasts. This plug is specifically engineered for automotive and marine engines. Because it features a unique V-cut center electrode, it enhances ignitability. In addition, it reduces the voltage requirements of your ignition system. Therefore, you can expect reliable firing even under heavy loads.

Advanced V-Power Technology for Better Combustion

First of all, the patented V-groove design directs the spark to the electrode's edge. This positioning allows the flame kernel to develop more rapidly. In addition, the concave ground electrode helps reduce quenching effects. Since the spark is more efficient, the air-fuel mixture burns more completely. Moreover, this process leads to a smoother idle and better throttle response. Furthermore, the solid copper core ensures superior heat dissipation. As a result, your engine stays cooler during high-performance operation.

Durable Construction for Harsh Environments

Marine and high-output engines face extreme humidity and heat. Fortunately, the NGK UR5 2771 utilizes trivalent metal plating. This specialized coating provides unmatched anti-corrosion and anti-seizing properties. Consequently, the plugs are easy to install and remove even after long seasons. Additionally, the high-grade alumina silicate ceramic insulator offers optimal dielectric strength. This prevents electrical flashover and ensures every spark reaches the combustion chamber. Thus, your ignition system remains robust and dependable.

Broad Compatibility Across Marine and Auto Brands

The versatility of the NGK UR5 V-Power Spark Plug 2771 is truly impressive. Specifically, it fits a wide range of inboard engines like Volvo Penta, OMC, and Indmar. Likewise, it is a perfect match for classic GM 5.7L and Ford 5.8L V8 engines. Since it is designed as an OE-equivalent replacement, it maintains your factory performance standards. Moreover, it is a reliable choice for older Chevrolet Camaro and Ford Bronco models. Ultimately, choosing this plug means you are getting a precision-fit component for your vehicle.

Proactive Maintenance for Long-Term Reliability

Regularly replacing your spark plugs is the easiest way to prevent engine trouble. For instance, fresh NGK 2771 plugs can significantly improve your fuel economy. Also, they reduce the risk of carbon buildup and fouling. Because the threads are cold-rolled, you won't have to worry about cross-threading during your tune-up. Consequently, you can maintain your engine with confidence and ease. In conclusion, this spark plug offers the perfect balance of modern technology and rugged durability.

Frequently Asked Questions

What is the standard gap for the NGK UR5 2771?

The pre-set gap is typically .040" (1.0mm). However, you should always check your specific engine manual for the exact gap requirement.

What engines does the NGK UR5 fit?

It is highly compatible with many Mercruiser, Volvo Penta, and Indmar marine engines. It also fits various classic GM and Ford V8 automotive applications.

Is this a resistor-type spark plug?

Yes, the UR5 features a 5k Ohm resistor. This helps suppress RFI (radio frequency interference) which can affect onboard electronics.

Can I use this plug in an aluminum cylinder head?

Absolutely, the tapered seat and trivalent plating make it safe for both cast iron and aluminum heads. Just be sure to follow the recommended torque specs.