SEALED POWER 12WKDYY64 Rocker Arm

( Brand: Sealed Power ), ( Manufacturer Part Number: 12WKDYY64 ), ( Type: Rocker Arm ), ( Fits 1: 2004-2006 Chevrolet Colorado ), ( Fits 2: 2002-2009 Chevrolet Trailblazer ), ( Fit Note: Engine Rocker Arm ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review SEALED POWER Rocker Arm Colorado fits TRAILBLAZER EXT 2002–2007

Introducing the Power 12WKDYY64 rocker arm, a high-performance upgrade for your 2004, 2002, 2003, 2005, 2006, and 2007 Chevrolet Trailblazer. This rocker arm is specifically engineered to provide exceptional durability, reliability, and horsepower gains for your vehicle.

The Power 12WKDYY64 rocker arm is manufactured using top-quality materials, ensuring a robust construction that can withstand the rigors of daily driving. Its precision-machined design allows for a perfect fit and seamless integration with your Trailblazer's engine.

This rocker arm is designed to work in conjunction with aftermarket performance parts, such as high-performance camshafts and intake systems, to maximize power gains. The 12mm rod diameter offers increased strength and stability, allowing for more power to be transferred from the camshaft to the valves.

The Power 12WKDYY64 rocker arm also features a roller tip design, which reduces friction and wear on the valve stems, resulting in smoother engine operation and improved engine efficiency. The roller tips are also self-lubricating, ensuring that the rocker arms remain well-lubricated and operate quietly and smoothly.

In addition, this rocker arm is designed to work with hydraulic lifters, making it an excellent choice for those looking to upgrade their Trailblazer's performance without the need for adjusting valve clearances.

Installing the Power 12WKDYY64 rocker arm is a straightforward process, requiring only basic hand tools. The included hardware ensures a secure and reliable installation, while the detailed instructions make it easy for even the most novice DIYers to complete the job in their own garage.

In summary, the Power 12WKDYY64 rocker arm is an excellent choice for Trailblazer owners seeking to improve their vehicle's performance, durability, and reliability. With its robust construction, precision engineering, and smooth operation, this rocker arm is sure to provide years of trouble-free service, making it a wise investment for any Trailblazer enthusiast.

Buying a new 12wkdyy64 rocker arm for a 2004 to 2007 Chevrolet Trailblazer can be a consideration for those experiencing engine issues. Here are some potential pros and cons to help you make an informed decision.

1. Improved performance: A new rocker arm can reduce engine vibrations and improve the overall performance of the engine.

2. Better fuel efficiency: Worn-out rocker arms can cause engine inefficiencies, leading to increased fuel consumption. A new rocker arm can help improve fuel efficiency.

3. Reliability: A new rocker arm can provide peace of mind, knowing that you have a reliable component in your engine.

4. Potential savings: Replacing a worn-out rocker arm with a new one can prevent more extensive and expensive engine repairs down the line.

1. Cost: Replacing a rocker arm can be an expensive repair, especially when considering labor costs.

2. Time-consuming: The process of removing the old rocker arm and installing a new one can be time-consuming, requiring specialized tools and knowledge.

3. Potential for additional repairs: Replacing a rocker arm can sometimes uncover other engine issues that require additional repairs.

Deciding to buy a new 12wkdyy64 rocker arm for a 2004 to 2007 Chevrolet Trailblazer involves weighing the potential benefits against the costs and time involved. If you are experiencing significant engine performance issues or notice signs of worn-out components, replacing the rocker arm may be a necessary investment. However, if your Trailblazer is running relatively well, it may be worth considering other potential causes of engine issues before investing in a new rocker arm.

If you have had your Trailblazer inspected by a professional mechanic and have been diagnosed with a worn-out rocker arm, replacing it may be the best course of action for ensuring the longevity and reliability of your engine. However, if you are unsure about the cause of any engine issues or are concerned about the cost and time involved in the repair, it may be worth exploring other potential solutions with a trusted mechanic or auto repair shop.

Details:

Unsurpassed quality that you can trust. Exacting tolerances. 2002 2009 Chevrolet Trailblazer 4.2L 6 Cl. Notes Engine Rocker Arm.

Meets or exceeds OEM specifications. Uses leading edge materials. State-of-the-art manufacturing.

part #: 12wkdyy64 price

• $30.14

specifications rockeareng:

• for models: Trailblazer, Ext
• for years: 2002-2007
• brand: Sealed Power
• mpn: 12wkdyy64
• type: Rocker Arm
• fits 1: 2004-2006 Chevrolet Colorado
• fits 2: 2002-2009 Chevrolet Trailblazer
• fit note: Engine Rocker Arm
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

offer rockeareng:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: May 8, 2026

shipping rockeareng:

• transit: 4-7 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

general rockeareng:

• condition: New
• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts

seller rockeareng:

• # reviews: 57865
• rating: 97.1%
• city: Idaho Falls, Idaho

returns rockeareng:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

payments rockeareng:

• other
• wallet: Google-pay
• credit card: Mastercard

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