MELLING STOCK 39WT89Y Rocker Arm Kit 4.1L

( Brand: Melling Stock ), ( Manufacturer Part Number: 39WT89Y ), ( Part Type: Arm ), ( Part Details: Stock ), ( Fit Model: K5 Blazer ), ( Fit Make: Chevrolet ), ( Fit Years: 1980 1975 1976 1977 1978 1979 1981 1982 ), ( Cs-sku: 400 )

Review MELLING STOCK Rocker Arm Kit Chevy 4.1l Cyl fits BLAZER K5 1975–1982

Introducing the Melling 39wt89Y Rocker Arm Kit, specifically designed for the Chevrolet K5 Blazer with a 4.1L engine and manufactured between 1975 and 1982. This high-performance kit is an excellent upgrade for those seeking improved engine response, increased power, and enhanced durability.

The Melling Rocker Arm Kit includes eight rocker arms, each precision-machined from high-strength steel for superior rigidity and longevity. The innovative design features a 39mm bore size that maximizes airflow and reduces friction, resulting in more efficient combustion and horsepower gains. The arms also come with high-performance valve springs and retainers, ensuring proper valve control and sealing.

This kit is meticulously engineered to provide a perfect fit and easy installation. Each rocker arm comes equipped with high-quality bushings that eliminate the need for messy and time-consuming shimming. The bushings are made from a durable, self-lubricating material that significantly reduces wear and tear on the rocker arms, enhancing the overall performance and longevity of the kit.

One of the standout features of the Melling 39wt89Y Rocker Arm Kit is its compatibility with various camshaft designs. Whether you prefer a stock cam or a high-performance cam, this kit is designed to accommodate a wide range of options, allowing you to tailor the performance of your engine to your specific needs.

Another advantage of this kit is its ability to improve engine idle stability and reduce valvetrain noise. The high-quality materials and engineering make this an ideal choice for those looking for a reliable and effective way to enhance the performance of their 1975-1982 Chevy K5 Blazer with a 4.1L engine.

In summary, the Melling 39wt89Y Rocker Arm Kit is an exceptional upgrade for your 1975-1982 Chevy K5 Blazer with a 4.1L engine. By providing improved engine response, increased power, and enhanced durability, this kit delivers unparalleled performance and reliability. With its precision-machined parts, easy installation, and compatibility with various camshaft designs, this kit is an essential upgrade for any serious off-roader or performance enthusiast.

Buying a 39wt89y rocker arm kit for a 1975-1982 Chevy K5 Blazer with a 4.1L engine can have several pros and cons to consider before making a purchase.

1. Improved Performance: A new rocker arm kit can help improve the performance of the engine by ensuring the valves operate smoothly and efficiently.

2. Reduced Engine Noise: Worn or damaged rocker arms can cause engine noise, and a new kit can help reduce this noise.

3. Increased Longevity: A new rocker arm kit can help extend the life of the engine by preventing damage caused by worn or failing components.

4. Easy Installation: The rocker arm kit is a relatively simple engine component to replace, and the installation process is generally straightforward.

1. Cost: Replacing the rocker arms can be an expensive repair, especially if other related components, such as valves or pushrods, also need to be replaced.

2. Availability: Finding a new rocker arm kit for a specific make, model, and year engine can be challenging, and it may require ordering it online or from a specialty parts supplier.

3. Labor Costs: If you're not comfortable performing the repair yourself, the cost of having a mechanic install the new rocker arm kit can add to the overall expense.

A 39wt89y rocker arm kit for a 1975-1982 Chevy K5 Blazer with a 4.1L engine can help improve performance, reduce engine noise, and increase engine longevity. However, it can also be an expensive repair, and the availability of the kit may require some effort to locate. Ultimately, the decision to purchase a new rocker arm kit should be based on the condition of the current components, the desired performance improvements, and the overall cost-benefit analysis.

If you're experiencing engine noise, poor performance, or other symptoms that may indicate worn or damaged rocker arms, a new rocker arm kit may be a worthwhile investment. However, it's essential to consider the cost, availability, and installation options before making a purchase. If you're unsure about the condition of your current components or the installation process, consulting a mechanic or engine specialist can help ensure a successful repair.

Details:

Designed for long-life and worry-free performance. Precision engineered for optimum fit and function. Condition: New Vehicle Fitment Engine, 1975 1982 Chevrolet K5 Blazer4.1L 6 Cyl. Kit includes rocker arms and related arm components needed to complete the engine rebuild.

Meets or exceeds original equipment specifications. Mounting Studs Included: Yes. Manufactured from high quality materials for consistent durable wear. Rocker Arm Body Type: Non-Roller.

part #: 39wt89y price

• $20.23

specifications rockeareng:

• for models: K5, Blazer
• for makes: Chevy
• for years: 1975-1982
• brand: Melling Stock
• mpn: 39wt89y
• part type: Arm
• part details: Stock
• fit model: K5 Blazer
• fit make: Chevrolet
• fit years: 1980 1975 1976 1977 1978 1979 1981 1982
• cs-sku: 400

seller rockeareng:

• city: Austell, Georgia
• # reviews: 59645
• rating: 95.9%

general rockeareng:

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

offer rockeareng:

• sold: 0
• options: Ship-to-home
• started: May 9, 2025
• availability: In Stock
• quantity: 1

payments rockeareng:

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

shipping rockeareng:

• transit: 4-7 Days
• class: Standard
• service: FedEx Ground or FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• cost: $0.00

returns rockeareng:

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

Melling Stock 39WT89Y Is Similar To:

• 498404 Melling Chevy Long Slot Rocker Arms Lift Camshaft Set Of (38.3% similar) 560 lift camshaft set of 16. Chevy long slot rocker arms...(March 10th, 2018)
• Mrm-1804 Mr-928 Melling 16 Rocker Arms W Wider 9 16 Slot Ball (41.7% similar) The fifth picture shows them side by side but. I don't know why it had the wider slot version. This is a set of 16 Melling rocker arms and balls. The third picture above shows what you are getting. The fourth picture shows the narrower slot rocker. It took some time to find these but we ended up not...(February 26th, 2016)
• Mpr614 Melling Chevy Ls Push Rods Vortec Full Set Of (29.2% similar) Melling chevy ls 2l push rods vortex full set of 16...(February 19th, 2019)
• Mr-1240 Melling Stock Engine Rocker Arm Fits Nissan Axxess 729295216629 (47% similar) Each rocker arm is built from only the best materials and manufacturing processes available. Depending on oem design specifications, Melling rocker arms are provided in either stamped or cast materials. Stock engine rocker arm fits Nissan axes D21 pickup Melling price is for 1 - adjust qty as needed...(September 22nd, 2018)
• Mr-1265 Melling Stock Engine Rocker Arm Fits Nissan Axxess 729295216636 (47% similar) Depending on oem design specifications, Melling rocker arms are provided in either stamped or cast materials. Stock engine rocker arm fits Nissan axes D21 pickup Melling price is for 1 - adjust qty as needed. Each rocker arm is built from only the best materials and manufacturing processes available...(September 22nd, 2018)
• Mr-1266 Melling Stock Engine Rocker Arm Fits Nissan Axxess 729295216643 (47% similar) Stock engine rocker arm fits Nissan axes D21 pickup Melling price is for 1 - adjust qty as needed. Melling recommends installing new rocker arms and components with every engine rebuild to assure long life the most efficient performance. Each rocker arm is built from only the best materials and ...(September 22nd, 2018)
• Mr-1267 Melling Stock Engine Rocker Arm Fits Nissan Axxess 729295216650 (47% similar) Each rocker arm is built from only the best materials and manufacturing processes available. Depending on oem design specifications, Melling rocker arms are provided in either stamped or cast materials. Melling recommends installing new rocker arms and components with every engine rebuild to assure ...(September 22nd, 2018)
• Mr-1323 Melling Engine Rocker (28% similar) State id, Canadian province us. Postal service or FedEx to request a return shipping label place the on outside of box and ship it. Military id, Mexican voter registration card, passport, us...(March 17th, 2018)
• Mr-1331 Melling Engine Rocker (28% similar) Or Canadian drivers license, us. Place the return shipping label on outside of box and ship it. State id, Canadian province us. Military id, Mexican voter registration card, passport, us. Postal service...(June 3rd, 2018)
• Mr-1340 Melling Stock Engine Rocker Arm Fits Saturn Vue 729295216667 (49.3% similar) 0t sedan 4-DOOR, this parts position is exhaust. Melling may have supplied the vehicle manufacturer with engine rocker arm. 0t wagon 4-DOOR, 3 coupe sedan aery convertible 2-DOOR, arc base cab chassis 3-DOOR, crew pickup extended hearse limousine sport utility classic ls comfort convenience CZ XXL ...(September 22nd, 2018)
• Mr-1341 Melling Engine Rocker (28% similar) Postal service or FedEx. Place the return shipping label on outside of box and ship it. Information about free shipping for orders over 75: receive ground on all totaling at least 75. State id, Canadian province u to request a return shipping label. Postal service. Military id, Mexican voter ...(August 5th, 2018)