NISSAN VQ25HR Infinity Left Cylinder Head Intake Exhaust 2.5L Camshaft
fits make: Nissan. year: 2011–2012.
( Manufacturer Part Number: VQ25HR ), ( Type: Camshaft ), ( Ipn: G25 Vq25hr ), ( Material: Cast Iron, Steel ), ( Country/region Of Manufacture: Japan )
Review NISSAN Infinity 2.5l Left Side Cylinder Head Intake And Exhaust Camshaft fits G25 2011–2012
The Nissan VQ25HR 11-12 Infinity G25 2.5L left cylinder head is an essential component of the engine that plays a crucial role in the combustion process. This cylinder head, specifically designed for the Infinity G25 model from 2011 to 2012, is part of Nissan's renowned VQ series engines.
This cylinder head houses the intake and exhaust camshafts, which are responsible for controlling the opening and closing of the engine's intake and exhaust valves, respectively. The intake camshaft ensures that the correct amount of air-fuel mixture enters the engine's cylinders for combustion, while the exhaust camshaft facilitates the expulsion of exhaust gases from the cylinders.
The VQ25HR left cylinder head is made of aluminum, which is a lightweight and durable material, allowing for reduced engine weight and improved fuel efficiency. It features a compact design that maximizes engine performance and efficiency by minimizing the distance the intake charge travels between the intake ports and the combustion chamber.
The cylinder head also includes a multi-point fuel injection system, which delivers fuel directly into the combustion chamber through a series of fuel injectors located near each cylinder. This precise fuel delivery system ensures optimal fuel-air mixture for efficient combustion and reduced emissions.
The intake and exhaust valves are designed using Nissan's advanced Variable Valve Event and Lift (VVEL) technology, which allows for continuous variable valve timing and lift control. This technology improves engine response, power, and efficiency by optimizing the intake and exhaust valve opening events based on engine speed and load conditions.
The Nissan VQ25HR 11-12 Infinity G25 2.5L left cylinder head also features a compact, low-friction design, which includes roller rocker arms, roller camshafts, and a hydraulic lifter system. These components minimize friction, reduce engine wear, and improve overall engine performance.
In conclusion, the Nissan VQ25HR 11-12 Infinity G25 2.5L left cylinder head is a high-performance component designed to deliver efficient and powerful engine performance. Its advanced features, including the multi-point fuel injection system, VVEL technology, and compact design, make it an essential upgrade for any Infinity G25 engine.
The Nissan VQ25HR engine is a 2.5-liter inline-5 cylinder powerplant used in various Nissan and Infiniti models, including the Infiniti G25. Replacing a cylinder head, which includes the intake and exhaust camshafts, is a significant engine repair. Here are some pros and cons to consider before making a decision.
Pros:1. Improved Engine Performance: A new cylinder head with updated camshafts can lead to better engine performance. This includes increased power output and improved throttle response.
2. Enhanced Fuel Economy: A more efficient engine can lead to better fuel economy.
3. Longer Engine Life: A new cylinder head and updated camshafts can help extend the life of the engine.
4. Smoother Idle and Reduced Engine Noise: New camshafts can result in a smoother idle and reduced engine noise.
Cons:1. Cost: Replacing a cylinder head, including the intake and exhaust camshafts, can be an expensive repair, especially when done by a professional mechanic.
2. Labor Intensive: The repair process is labor-intensive and time-consuming, which can add to the overall cost.
3. Risk of Damaging Other Components: Removing and replacing the cylinder head can potentially damage other engine components, leading to additional repair costs.
4. Potential for OEM vs Aftermarket Parts: Deciding between OEM (original equipment manufacturer) and aftermarket parts can be a challenge. OEM parts may be more expensive but offer better fit and durability.
In conclusion, while replacing a cylinder head, including the intake and exhaust camshafts, can lead to improved engine performance, better fuel economy, and a longer engine life, the high cost, labor-intensive process, and potential for damaging other components are significant drawbacks.
If you are a do-it-yourselfer with experience in engine repair, purchasing aftermarket parts may be a more cost-effective option. However, if you prefer the peace of mind that comes with OEM parts or lack the expertise to perform the repair yourself, the cost may be worth the benefits. Ultimately, the decision to replace a cylinder head and camshafts on a Nissan VQ25HR engine depends on your budget, mechanical abilities, and desired engine performance.
Details:
Please view picture to make shore this item fits your application. Up for sale is a set of 11-12 Infinity G25 M35 VQ35HR 2.5L 6 cylinder Left Side Cylinder Head Intake and exhaust Camshaft with Sprocket. Item is used and may have signs of wear tear but in good working condition.
part #: vq25hr prices
- $59.99-$288.57
specifications cashalif:
- for makes: Nissan
- for years: 2011-2012
- mpn: Vq25hr
- type: Camshaft
- ipn: G25 Vq25hr
- material: Cast Iron, Steel
- country/region of manufacture: Japan
seller cashalif:
- city: Queens Village, New York
- rating: 91.7%
- # reviews: 491
payments cashalif:
- wallet: Apple-pay
- other
- credit card: Discover
general cashalif:
- Engines Engine Parts > Valvetrain Components > Camshafts
- condition: Used
offer cashalif:
- options: Ship-to-home
- quantity: 1
- sold: 0
- started: May 29, 2025
- availability: In Stock
shipping cashalif:
- transit: 4-8 Days
- cost: $0.00
- service: USPS Priority Mail
- class: Expedited
- type: Calculated
- carrier: USPS
returns cashalif:
- time: 30 Days
- policy: Returns Accepted
- paid by: Buyer
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