ZIEICHY MPR437S Pushrods Rocker Arms Kit 242CI 4.0L

( Brand: Zieichy ), ( Manufacturer Part Number: MPR437S ), ( Part Type: Pushrod Arm )

Review ZIEICHY New Pushrods And Rocker Arms Kit Jeep 242ci 4.0l fits WRANGLER 1987–2006

Introducing the Ziechy MPR437S Pushrods and Rocker Arms Kit, specifically designed for the 1987-2006 Jeep Wrangler models equipped with the 242ci 4.0L inline-six engine. This kit is an excellent upgrade for those seeking improved engine performance and durability.

The Ziechy MPR437S kit includes new pushrods and rocker arms, both precision-engineered to ensure a perfect fit and optimal function. The pushrods are made from high-strength steel, offering superior resistance to bending and breaking compared to the factory units. Each pushrod is meticulously measured and honed to ensure a perfect fit in the engine cylinder head.

The rocker arms, on the other hand, are manufactured from forged steel, providing unparalleled strength and rigidity. The arms are designed with a 1.7-inch diameter, offering a larger contact surface area between the pushrod and the rocker arm, which minimizes friction and wear. The arms also feature a 1.625-inch pushrod diameter, a 1.375-inch valve tip diameter, and a 1.3125-inch valve stem diameter, ensuring a perfect fit and optimal valve clearance.

The kit also includes new rocker arm studs, made from high-strength material, which provide improved clamping force, ensuring the rocker arms remain securely in place. The kit is also compatible with factory and aftermarket lifters, making it a versatile upgrade option for various applications.

Installing the Ziechy MPR437S Pushrods and Rocker Arms Kit is a straightforward process, and it is designed to be a direct replacement for the factory parts. The kit includes all necessary hardware, making it a complete solution for upgrading the pushrods and rocker arms on your 1987-2006 Jeep Wrangler with the 242ci 4.0L inline-six engine.

By upgrading to the Ziechy MPR437S Pushrods and Rocker Arms Kit, you can expect improved engine performance, increased durability, and enhanced reliability. The kit is an excellent investment for any Jeep Wrangler enthusiast looking to take their vehicle to the next level.

Pros and Cons of Buying Ziechy MPR437S Pushrods and Rocker Arms Kit for 1987-2006 Jeep Wrangler 4.0L Engine

The Ziechy MPR437S pushrods and rocker arms kit is a popular upgrade for the 1987-2006 Jeep Wrangler 4.0L engine. This kit is designed to improve engine performance and durability. In this article, we will discuss the advantages and disadvantages of buying this kit for your Jeep Wrangler.

1. Improved Performance: The Ziechy MPR437S kit is designed to improve engine performance by reducing valvetrain friction and improving valve control.

2. Increased Durability: The kit is made of high-quality materials, including forged steel pushrods and billet aluminum rocker arms, which are more durable than the OEM parts.

3. Better Valve Control: The Ziechy kit provides better valve control, resulting in improved combustion efficiency and increased power.

4. Smoother Operation: The kit reduces engine noise and vibration, resulting in a smoother operating engine.

5. Easy Installation: The kit is relatively easy to install, and the instructions are clear and easy to follow.

1. Cost: The Ziechy MPR437S kit is more expensive than the OEM parts, which may be a deterrent for some buyers.

2. Requires Other Upgrades: To fully realize the potential benefits of the Ziechy kit, other upgrades, such as a high-performance camshaft or intake manifold, may be required.

3. Potential Clearance Issues: Depending on the specific engine configuration, there may be clearance issues that require additional modifications or adjustments.

The Ziechy MPR437S pushrods and rocker arms kit offers significant performance and durability benefits for the 1987-2006 Jeep Wrangler 4.0L engine. While the cost may be a drawback for some buyers, the improved performance, increased durability, better valve control, smoother operation, and ease of installation make this kit a worthwhile investment for those looking to get the most out of their Jeep Wrangler.

If you are looking to improve the performance and durability of your 1987-2006 Jeep Wrangler 4.0L engine, the Ziechy MPR437S pushrods and rocker arms kit is a solid investment. However, be sure to consider the potential clearance issues and other upgrades that may be required to fully realize the benefits of this kit. As always, be sure to consult with a qualified mechanic or engine builder before making any major engine modifications.

Details:

The offered shipping cost in the listing applies only to 48 states. 100% functional. ZIEICHY NEW PUSHRODS ROCKER ARMS KIT 1987 2006 FOR JEEP 242CI 4.0L WRANGLER: OPEN BOX - NEW: This item is unused in open packaging. Grab The Best Deal.

Original packaging shows signs of handling. 13835285ZIEIOB528 OPEN BOX - NEW. Whats Included: This item comes with all accessories supplied by manufacturer.

part #: mpr437s prices

• $47.95-$252.79

specifications rockeareng:

• for models: Wrangler
• for makes: Jeep
• for years: 1987-2006
• brand: Zieichy
• mpn: Mpr437s
• part type: Pushrod Arm

offer rockeareng:

• availability: In Stock
• started: May 20, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

shipping rockeareng:

• type: Calculated
• cost: $20.54
• carrier: FedEx, USPS
• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• class: Standard, Expedited
• transit: 2-7 Days

payments rockeareng:

• credit card: Diners-club
• other
• wallet: Apple-pay

seller rockeareng:

• city: Sturgis, Michigan
• # reviews: 1996 58
• rating: 98.8%

general rockeareng:

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

returns rockeareng:

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