fits model: 400, 428, 455. make: Pontiac. year: 1956-81–2013.

( Brand: Trw ), ( Manufacturer Part Number: VL51 ), ( Part Type: Hydraulic Lifter ), ( Country/region Of Manufacture: United States )
The 1956-81 TRW VL51 Hydraulic Lifters for Pontiac engines, specifically for 389, 400, 421, 428, and 455 cubic-inch models, are a testament to precision engineering and reliability. These lifters, manufactured by TRW (Thompson Ramo Wooldridge), a renowned automotive parts supplier, are designed to ensure smooth operation of your Pontiac's engine.
The TRW VL51 Hydraulic Lifters are known for their unique design, featuring a hydraulic mechanism that reduces engine noise and vibration. The lifters utilize a specially formulated oil to create a hydraulic cushion between the cam lobe and the lifter's tip, thereby minimizing wear and tear on the engine components. This results in improved engine performance, reduced fuel consumption, and extended engine life.
The TRW VL51 Lifters are also renowned for their durability. They are made from high-quality materials, such as forged steel and precision-engineered components, ensuring they can withstand the rigors of daily driving. The lifters are also designed to operate under various operating conditions, including high temperatures and heavy loads, making them ideal for high-performance and race applications.
Installing the TRW VL51 Hydraulic Lifters is a straightforward process, thanks to their easy-to-install design. They are designed to fit directly onto the engine camshaft, requiring no additional modifications. The lifters also come with detailed installation instructions, making the replacement process hassle-free for both DIY enthusiasts and professional mechanics.
In conclusion, the 1956-81 TRW VL51 Hydraulic Lifters are a smart investment for any Pontiac owner. They offer improved engine performance, reduced noise and vibration, and extended engine life. Their durability, easy installation, and compatibility with various engine sizes make them a popular choice among Pontiac enthusiasts and mechanics.
The 1956-81 Pontiac V8 engines with TRW hydraulic lifters, ranging from 389 to 455 cubic inches, are classic powertrains that have been popular among car enthusiasts for decades. Here are some pros and cons to consider before purchasing one:
Pros:1. Powerful and reliable: These engines were known for their robustness and power, making them an excellent choice for hot rods, muscle cars, and other high-performance applications.
2. Availability of parts: Due to their popularity, it's relatively easy to find replacement parts for these engines, including gaskets, seals, and other wear items.
3. Wide range of performance modifications: The 389, 400, 421, 428, and 455 V8 engines have been extensively modified over the years, which means there are numerous options for upgrading performance, including camshafts, intake manifolds, and cylinder heads.
4. Timeless design: The classic appearance of these engines is still popular today and can add a lot of character to any vehicle they're installed in.
Cons:1. Fuel efficiency: These engines are not known for their fuel efficiency, and modern fuel standards may require modifications to use unleaded fuel.
2. Emissions compliance: Older engines may not meet current emissions standards, which could require expensive modifications or aftermarket solutions to pass emissions tests.
3. Maintenance: Older engines, especially those that have been heavily modified, may require more frequent maintenance and repairs compared to modern engines.
4. Price: Depending on the condition and modifications, these engines can be expensive to purchase, especially if they're hard to find or require extensive restoration.
Conclusion:If you're a car enthusiast looking for a powerful, reliable engine that can be customized to your needs, a 1956-81 Pontiac V8 with TRW hydraulic lifters is certainly worth considering. However, be prepared to invest time, money, and resources to maintain and upgrade your engine to meet modern standards.
Recommendation:Before making a purchase, research the specific engine you're interested in, including its history, modifications, and maintenance requirements. Consider the cost of the engine, as well as the cost of parts, labor, and any modifications you may want to make. Also, make sure the engine is compatible with your vehicle and any emissions requirements in your area. With careful consideration and planning, a 1956-81 Pontiac V8 engine can be a great addition to your vehicle and provide years of enjoyment.
2 have rust on them, prices accordingly. 13 nos Trw VL51 hydraulic valve lifters for the following gm vehicles.