MOPAR PERFORMANCE P4529743 Rocker Arms Shaft Set Big Block 383

( Brand: Mopar Performance ), ( Manufacturer Part Number: P4529743 ), ( Type: Rocker Arm Set ), ( Items Included: Rocker Arms, Spacers, Bolts And Shafts ), ( Material: Steel ), ( Vintage Part: No ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review MOPAR PERFORMANCE Rocker Arms And Shaft Set Big Block 383 fits 400 440

The Mopar Performance P4529743 Rocker Arm Shaft Set is an essential upgrade for any big block Chrysler engine, specifically those with a displacement of 383, 400, or 440 cubic inches. This high-performance kit is designed to deliver improved power and torque, making it an ideal choice for those seeking to maximize the potential of their classic Mopar muscle car.

Each rocker arm shaft in this set is meticulously crafted from premium materials, ensuring superior strength and durability. The shafts are precision-machined to exacting tolerances, ensuring a perfect fit and seamless integration with your engine. The hardened steel material used in the shafts provides enhanced resistance to wear and fatigue, ensuring long-lasting performance.

The Mopar Performance P4529743 Rocker Arm Shaft Set features a unique design that utilizes roller tip rocker arms, which reduce friction and provide smoother operation compared to traditional flat-tipped rocker arms. This results in improved engine efficiency, reduced wear on valve trains, and enhanced power output.

This set also comes with new bushings, which are made from high-quality materials that provide superior damping and eliminate unwanted vibrations. The bushings are designed to last longer than stock bushings, ensuring a quieter and smoother operation.

The Mopar Performance P4529743 Rocker Arm Shaft Set is easy to install, with step-by-step instructions provided in the box. The kit includes all necessary hardware, making it a complete solution for upgrading your big block Chrysler engine's rocker arms.

In summary, the Mopar Performance P4529743 Rocker Arm Shaft Set is a high-quality, high-performance upgrade for any big block Chrysler engine. With its premium materials, precise machining, and unique roller tip rocker arms design, this set delivers improved power and torque, enhanced efficiency, and reduced wear and vibration. Whether you're restoring a classic muscle car or building a high-performance engine, this set is an essential addition to your project.

Mopar Performance P4529743 Rocker Arm Shaft Set for Big Block 383, 400, and 440: A Detailed Analysis

The Mopar Performance P4529743 Rocker Arm Shaft Set is a popular choice among those working on big block Chrysler engines, including 383, 400, and 440. In this analysis, we will discuss the advantages and disadvantages of purchasing this product to help you make an informed decision.

1. High-quality materials: These rocker arm shafts are made from heat-treated, forged steel, ensuring durability and resistance to wear and tear.

2. Improved performance: The P4529743 rocker arm shafts are designed to provide better valve control, leading to improved engine performance.

3. Compatibility: These rocker arms fit various Chrysler engines, making them a versatile choice for those working on multiple projects.

4. Easy installation: Users report that the installation process is straightforward and can be completed in a relatively short time.

5. OE-style design: The Mopar Performance P4529743 Rocker Arm Shaft Set features an Original Equipment (OE) design, ensuring a proper fit and function.

1. Cost: Compared to some aftermarket alternatives, the Mopar Performance P4529743 Rocker Arm Shaft Set can be more expensive.

2. Limited availability: These rocker arms may not be readily available at local auto parts stores, requiring online or special order purchases.

3. Potential clearance issues: Some users have reported clearance issues with aftermarket intake manifolds, which may necessitate modifications.

The Mopar Performance P4529743 Rocker Arm Shaft Set offers several advantages, including high-quality materials, improved performance, compatibility, easy installation, and OE-style design. However, potential drawbacks include a higher cost compared to some alternatives, limited availability, and potential clearance issues with aftermarket intake manifolds.

If you are working on a big block Chrysler engine (383, 400, or 440) and prioritize high-quality parts, the Mopar Performance P4529743 Rocker Arm Shaft Set is an excellent choice. Despite the higher cost and potential clearance issues, the benefits generally outweigh the drawbacks for those seeking optimal engine performance.

Details:

Used on 383, 4 426 wedge and 440 big block Mopar engines. I used them about 2,500 miles in a fresh engine build and then changed to adjustable rocker arms. These are ready to bolt on. These Performance rocker arms have thicker gauge material in the push rod socket area.

These rocker assemblies consist of Mopar Performance kit P4529743 8 LH arms P3690712, 8 RH P3690713, 10 bolts and hold down tabs two used serviceable shafts. Big block Mopar rocker arms and shafts assemblies.

part #: p4529743 prices

• $159.95-$347.54

specifications rockeareng:

• for models: 400, 440
• for makes: Mopar
• brand: Mopar Performance
• mpn: P4529743
• type: Rocker Arm Set
• items included: Rocker Arms, Spacers, Bolts And Shafts
• material: Steel
• vintage part: No
• country of origin: United States
• performance part: Yes

offer rockeareng:

• best offers: True
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 17, 2026

shipping rockeareng:

• service: USPS Priority Mail
• type: Calculated
• class: Expedited
• carrier: USPS
• transit: 4-10 Days
• cost: $28.66

general rockeareng:

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

payments rockeareng:

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

returns rockeareng:

• policy: No Returns

seller rockeareng:

• city: Yukon, Oklahoma
• rating: 100.0%
• # reviews: 201

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