390400 LOCKHEED Nos Girling Rear Wheel Cylinders TR3 TR4 TR6

Review LOCKHEED 3x Nos Girling Triumph Rear Wheel Cylinders for TRIUMPH TR3 TR4 TR6

Introducing the Lockheed 390400 Rear Wheel Cylinders, a premium solution for your vehicle's braking system. These cylinders are specifically designed for Triumph models requiring TR3, TR4, or TR6 rear wheel cylinders. Each cylinder is engineered to deliver superior performance and reliability, ensuring your vehicle stops safely and effectively.

The Lockheed 390400 Rear Wheel Cylinders are manufactured using high-quality materials, ensuring durability and resistance to wear and tear. Each cylinder features a dual-seal design, providing an extra layer of protection against leaks and contamination. The seals are made of a high-temperature, resilient rubber that can withstand the extreme conditions of your braking system.

The Lockheed 390400 Rear Wheel Cylinders boast a sleek, polished finish that not only looks great but also helps to dissipate heat more efficiently. The cylinders are also designed with a generous bore size to accommodate a wide range of brake shoe sizes, making them a versatile option for various Triumph models.

Installation of the Lockheed 390400 Rear Wheel Cylinders is straightforward and can be completed by most DIY enthusiasts or professional mechanics. Each cylinder comes complete with all necessary hardware, including brake shoes and wheel cylinder bolts, making installation a hassle-free experience.

In summary, the Lockheed 390400 3x NOS (New Old Stock) Rear Wheel Cylinders are an excellent investment for Triumph TR3, TR4, and TR6 owners seeking reliable, high-performing braking components. With their superior build quality, durable seals, and easy installation, these cylinders offer a cost-effective and long-lasting solution for maintaining the safety and performance of your classic Triumph vehicle.

Lockheed 390400 3x Rear Wheel Cylinders (Girling Triumph TR3 TR4 TR6) - A Detailed Analysis

The Lockheed 390400 3x rear wheel cylinders are a popular choice for Triumph TR3, TR4, and TR6 models. These cylinders are manufactured by Lockheed, a well-known brand in the automotive industry, and are designed as direct replacement parts for the original Girling rear wheel cylinders. In this analysis, we will discuss the pros and cons of purchasing these rear wheel cylinders to help you make an informed decision.

1. High-Quality Construction: Lockheed is a reputable brand known for producing high-quality automotive components. These rear wheel cylinders are designed to meet or exceed OEM specifications, ensuring reliable performance and durability.

2. Easy Installation: These rear wheel cylinders are designed as direct replacement parts, meaning they should fit seamlessly into the existing brake system. This can save you time and effort during installation compared to aftermarket parts that may require modifications.

3. Improved Braking Performance: By replacing worn or damaged rear wheel cylinders, you can improve your vehicle's braking performance. This can lead to safer driving and increased confidence on the road.

4. Cost-Effective: While these rear wheel cylinders may cost more than some aftermarket alternatives, they offer the peace of mind that comes with purchasing a high-quality, OEM-grade part.

1. Cost: The Lockheed 390400 3x rear wheel cylinders are more expensive than some aftermarket alternatives. However, keep in mind that you may be paying for the reputation and quality of the Lockheed brand.

2. Availability: These cylinders may not be as widely available as aftermarket alternatives, so you may need to order them online or through a specialty parts supplier.

3. Potential Compatibility Issues: While these cylinders are designed as direct replacements, there is always a possibility of compatibility issues. Be sure to double-check that these cylinders are the correct fit for your specific Triumph model before making a purchase.

In conclusion, the Lockheed 390400 3x rear wheel cylinders offer several advantages, including high-quality construction, easy installation, improved braking performance, and the peace of mind that comes with purchasing a reputable brand. However, they also come with some drawbacks, such as cost and potential availability issues. Ultimately, the decision to purchase these cylinders depends on your specific needs, budget, and priorities. If you value the reliability and performance that comes with OEM-grade parts, then these cylinders may be a worthwhile investment. On the other hand, if cost is a major concern, you may want to consider aftermarket alternatives.

Based on the information provided, I would recommend the Lockheed 390400 3x rear wheel cylinders for Triumph TR3, TR4, and TR6 owners who prioritize high-quality components and reliable performance. These cylinders offer several advantages, such as easy installation, improved braking performance, and the peace of mind that comes with purchasing a reputable brand. However, keep in mind that they may be more expensive than some aftermarket alternatives, and it's essential to ensure they are the correct fit for your specific Triumph model before making a purchase. If cost is a major concern, you may want to consider aftermarket alternatives, but be sure to do your research to ensure they meet the required quality and performance standards.

Details:

3x nos girling wheel cylinders #390400 for Triumph, check fitment before buying.

specifications wheellinders:

• for models: Tr3, Tr4, Tr6
• for makes: Triumph
• brand: Lockheed
• mpn: 390400
• type: Brake Wheel Cylinder
• bore diameter: .70
• placement on vehicle: Rear

general wheellinders:

• category: Auto Parts > Car Truck Accessories > Brakes > Wheel Cylinders

seller wheellinders:

• city: merced, california
• # reviews: 9448
• rating: 99.5%

returns wheellinders:

• policy: returns accepted
• time: 30 days
• paid by: seller

payments wheellinders:

• other
• wallet: google-pay
• credit card: discover

offer wheellinders:

• sold #: 6
• in stock #: 2
• started: april 25, 2026
• price: $25.00
• item condition: New other (see details)
• availability: in stock
• best offers: true
• options: ship-to-home

shipping wheellinders:

• transit: 4-7 days
• service: usps ground advantage
• type: calculated
• class: standard
• carrier: usps