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  2. sku: 7942211603827563
  3. TEXTRON LYCOMING 74636-68520

TEXTRON LYCOMING 74636-68520 Intake Exhaust Rocker Arms 320

fits model: 360, 540.

69444 Textron Lycoming 74636 68520 320 360 540 Series 4 Intake And Exhaust Rocker Arms

( Brand: Textron Lycoming ), ( Manufacturer Part Number: 74636-68520 ), ( Part Type: Intake Exhaust Arm ), ( Compatible Make: 320, 360, 540 Series Aircraft Engines ), ( Compatible Model: Lycoming Aircraft Engines )

Review TEXTRON LYCOMING 320 Series Intake And Exhaust Rocker Arms fits 360 540

Textron Lycoming 74636/68520 Intake and Exhaust Rocker Arms (320, 360, 540 Engines)

The Textron Lycoming 74636/68520 Intake and Exhaust Rocker Arms are high-quality components designed for use in Textron Lycoming 320, 360, and 540 series engines. These rocker arms are essential for the proper functioning of the engine valvetrain system, ensuring smooth and efficient operation.

The intake rocker arm (part number 68520) is designed to work in harmony with the intake valve, opening and closing as the camshaft rotates. It is precision-engineered for a perfect fit, ensuring a snug and secure installation. The arm is made from a robust, heat-treated steel for durability and reliability, even under the most demanding conditions.

The exhaust rocker arm (part number 74636) is responsible for opening and closing the exhaust valve. This arm is also made from heat-treated steel, ensuring it can withstand the high temperatures and pressures associated with engine exhaust. The design of the arm allows for smooth operation, minimizing wear and tear on other engine components.

Both the intake and exhaust rocker arms feature a durable, hard-coated finish that resists corrosion and wear, extending their service life and reducing the need for maintenance. The arms are also designed to work seamlessly with other components in the engine, ensuring optimal performance and longevity.

In summary, the Textron Lycoming 74636/68520 Intake and Exhaust Rocker Arms are essential components for maintaining the performance and longevity of your Textron Lycoming 320, 360, or 540 series engine. Their robust construction, durable finish, and precision engineering make them an excellent choice for both amateur and professional mechanics.

Pros of Buying Textron Lycoming 74636, 68520, 320, 360, 540 Intake & Exhaust Rocker Arms:

1. Quality: Textron Lycoming is a reputable brand in the aviation industry, known for producing high-quality parts. These rocker arms are designed to provide reliable performance.

2. Compatibility: These rocker arms are compatible with various engines (320, 360, 540) and both intake and exhaust systems, making them versatile for many aircraft.

3. Availability: Being a popular brand, these rocker arms are widely available from various suppliers, ensuring easy access and quick delivery.

4. Durability: The rocker arms are built to withstand the harsh conditions of aviation, offering a long service life.

Cons:

1. Cost: Compared to generic aftermarket parts, Textron Lycoming rocker arms tend to be more expensive due to the brand's reputation for quality.

2. Limited Customization: While these rocker arms are reliable and durable, they may not offer the same level of customization as aftermarket parts designed for specific applications or performance enhancements.

3. Potential Obsolescence: As technology advances, there's a risk that these rocker arms may become obsolete, requiring the purchase of newer parts in the future.

In conclusion, buying Textron Lycoming 74636, 68520, 320, 360, 540 Intake & Exhaust Rocker Arms offers the advantage of high quality, compatibility, and durability. However, the higher cost and limited customization options should be carefully considered. If you prioritize reliability and convenience, these rocker arms are a good choice. If you're looking for more cost-effective options or require customized parts, you may want to explore other options in the market.

Details:

Lycoming aircraft engine, set of 4 Intake rocker arms, part no. This listing is for all 8 rocker arms as pictured. 69444, casting 69443 and 4 Exhaust rocker arms, part number 74636, 68520. Could be installed on air boat, home built, experimental engines.

The rocker arms are approved for installation on Lycoming aircraft engine 320, 360, 540 series.

specifications engineaviatio:

  • for models: 360, 540
  • brand: Textron Lycoming
  • mpn: 74636-68520
  • part type: Intake Exhaust Arm
  • compatible make: 320, 360, 540 Series Aircraft Engines
  • compatible model: Lycoming Aircraft Engines

payments engineaviatio:

  • wallet: Apple-pay
  • credit card: Visa
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returns engineaviatio:

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

offer engineaviatio:

  • sold: 0
  • availability: In Stock
  • started: July 13, 2025
  • quantity: 1
  • options: Ship-to-home

seller engineaviatio:

  • rating: 100.0%
  • # reviews: 4150
  • city: Plains, Georgia

general engineaviatio:

  • condition: Used
  • Aviation Parts Accessories > Engines > Engine Components

shipping engineaviatio:

  • class: Standard
  • type: Calculated
  • cost: $16.55
  • transit: 5-11 Days
  • carrier: USPS
  • service: USPS Ground Advantage
for models: 360, 540, part type: intake exhaust arm, compatible make: 320, 360, 540 series aircraft engines, compatible model: lycoming aircraft engines,
category: auto parts > aviation parts accessories > engines > engine components, sku: 7942211603827563,
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