Ever wonder what gives a classic engine its roar? For many Ford enthusiasts, the heart of that sound beats with a 351 Windsor V8. But even the best engines need the right parts to truly sing. Choosing new cylinder heads for your 351W can feel like navigating a maze. So many choices, and each one promises better performance, but which one is actually the best for *your* build?
It’s a common problem for anyone looking to boost their 351W’s power. You want more horsepower, better fuel economy, or just a smoother ride, but figuring out which cylinder heads will get you there can be confusing and frustrating. You might worry about spending money on heads that don’t fit your needs or, worse, actually hurt your engine’s performance. Don’t let this decision stall your project!
In this post, we’re going to break down everything you need to know about selecting the perfect cylinder heads for your 351W. We’ll explore the different types available, what features to look for, and how to match them to your specific goals. By the end, you’ll feel confident and ready to pick the heads that will make your 351W perform its absolute best.
Our Top 5 Heads For A 351W Recommendations at a Glance
Top 5 Heads For A 351W Detailed Reviews
1. IMOOA One Pair Bare Cylinder Head For Ford Small Block SBF 289 302 351W Aluminum 185cc Intake Runner & 61cc Chamber
Rating: 8.7/10
Upgrade your Ford Small Block engine with the IMOOA One Pair Bare Cylinder Heads. These aluminum heads are designed for Ford 289, 302, 351W, and 5.0L V8 engines. They offer improved airflow with their 185cc intake runners and 61cc chambers. These heads are built to last with strong materials. They will help your engine perform better.
What We Like:
- These heads fit many Ford Small Block engines, including the 289, 302, 351W, and 5.0L V8.
- They have large intake valves (2.020 inches) and exhaust valves (1.600 inches) for better airflow.
- The aluminum construction makes them lighter and helps with cooling.
- Bronze valve guides and ductile iron valve seats add extra strength and wear resistance.
- The 185cc intake runners and 61cc chambers are designed for good power and efficiency.
What Could Be Improved:
- These are “bare” heads, meaning you need to buy valves, springs, and other parts separately.
- Installation might require some mechanical skill or professional help.
- The specific performance gains can vary depending on other engine modifications.
If you’re looking to boost the power and efficiency of your classic Ford V8, these IMOOA cylinder heads are a solid choice. They provide a strong foundation for a custom engine build.
2. 2x Cylinder Head Replacement for Ford Small Block 289 302 351W 5.0L V8 Aluminum SBF 185cc Intake Runner / 61cc Chamber Volume Mustrod
Rating: 8.7/10
Upgrade your Ford Small Block V8 engine with this high-performance 2x Aluminum Cylinder Head set. Designed to fit 289, 302, 351W, and 5.0L engines, these heads offer improved airflow and power for your Mustang or other classic Ford. They are built tough to last and deliver excellent results for your classic ride.
What We Like:
- These heads are made for a wide range of Ford Small Block V8 engines, so they fit many classic cars.
- The aluminum construction makes them lighter than stock iron heads, which can help your car perform better.
- They have a good intake runner volume of 185cc and a 61cc combustion chamber, which can boost horsepower.
- The larger intake valves (2.020″) and exhaust valves (1.600″) help your engine breathe easier for more power.
- They come with durable bronze valve guides and tough ductile iron valve seats for long-lasting use.
- You get a pair of cylinder heads, so you have everything you need for both sides of your engine.
- The company promises good quality and is ready to help if you have any questions or problems.
What Could Be Improved:
- While the specifications are good, some advanced tuners might want even larger runner volumes for extreme builds.
- Installation requires mechanical knowledge, so it’s not a simple bolt-on for beginners.
Overall, this cylinder head set is a solid choice for anyone looking to boost the performance of their Ford Small Block V8. They offer a great balance of features and quality for a noticeable improvement in your engine.
3. A.A Cylinder Head Dowel Alignment Pins for Ford Small Block V8 Engines – 289
Rating: 9.0/10
When you’re rebuilding or working on your Ford Small Block V8 engine, getting everything lined up just right is super important. The A.A Cylinder Head Dowel Alignment Pins are designed to help you do exactly that. These little but mighty steel pins make sure your cylinder heads sit perfectly on the engine block. This prevents leaks and ensures your engine runs smoothly.
What We Like:
- They fit many Ford Small Block engines like the 289, 302, and 351W.
- They also work with popular stroker engine sizes like 331 and 347.
- The set includes four steel pins for a secure fit.
- The pins have the correct measurements (0.65″ diameter, 0.42″ length) for precise alignment.
- They help prevent engine leaks by ensuring a good seal between the head and block.
What Could Be Improved:
- The description doesn’t mention if they are coated to prevent rust.
- It would be helpful to know if a special tool is recommended for installation.
These A.A Cylinder Head Dowel Alignment Pins are a solid choice for any Ford Small Block V8 project. They offer precise alignment for a better-running engine.
4. Speedmaster PCE279.1012 Compatible with Ford 351W Windsor 12 Point Chromoly Cylinder Head Stud Kit
Rating: 9.1/10
The Speedmaster PCE279.1012 is a 12-point chromoly cylinder head stud kit designed for Ford 351W Windsor engines. Speedmaster is known for making cool parts that mix old and new ideas. They have a strong team that works hard to make their products and their business practices innovative. This stud kit is built to last, even with tough use on the road, the track, or for fun. Speedmaster aims for near-perfect products.
What We Like:
- It’s built tough for demanding use, making it “Track Proven.”
- The chromoly material offers great strength and durability.
- Speedmaster’s focus on innovation means you get a quality, well-thought-out part.
- It comes with a 12-month limited worldwide warranty for peace of mind.
What Could Be Improved:
- Specific compatibility details beyond the Ford 351W Windsor might be helpful for some builders.
- While “unique and distinctive DNA items” is mentioned, more concrete examples of this innovation in the product itself could be highlighted.
This Speedmaster stud kit offers reliable performance and durability for your Ford 351W Windsor. It’s a solid choice for anyone looking for quality engine components.
5. Head Gaskets (Pair) SBF 302/351W (M-6051-C51)
Rating: 8.7/10
Upgrade your Ford engine with these high-performance Head Gaskets (Pair) SBF 302/351W (M-6051-C51). These gaskets are designed for SBF 302 and 351W engines, offering a reliable seal for your fuel system. They are built tough and made right here in the United States.
What We Like:
- Built for Ford Racing Performance, ensuring top quality.
- Made in the USA, supporting domestic manufacturing.
- Designed specifically for SBF 302/351W engines for a perfect fit.
- Includes all necessary gaskets for a complete fuel system seal.
What Could Be Improved:
- The product dimensions are quite large (11.15×23.55x.65 inches), which might require careful handling and storage.
- While the product is excellent, it’s a specialized part, so availability might be limited compared to more common engine components.
These Ford Racing head gaskets are a solid choice for anyone looking to maintain or improve their SBF engine’s performance. They provide a dependable seal and are built to last.
Choosing the Right Heads for Your 351W Engine
When you’re looking to boost the performance of your Ford 351 Windsor (351W) engine, upgrading the cylinder heads is one of the best ways to do it. New heads can make your engine breathe better, leading to more power and a more responsive ride. But with so many options out there, how do you pick the perfect set? This guide will help you understand what to look for.
What to Look For: Key Features
When you shop for 351W heads, keep these important features in mind:
- Port Size: This refers to the openings where air and fuel enter the cylinder and exhaust gases leave. Bigger ports generally let more air in and out, which means more power. However, ports that are too big can hurt low-end torque.
- Combustion Chamber Size: This is the space at the top of the cylinder. A smaller chamber can increase compression, giving you more power. A larger chamber can lower compression, which is good if you plan to use a supercharger or turbocharger.
- Valve Size: Larger valves allow more air and fuel mixture into the cylinder and more exhaust out. This usually means more power, especially at higher engine speeds.
- Intake and Exhaust Runner Design: The shape and size of the pathways inside the head matter. Smooth, well-designed runners help the air and fuel flow efficiently.
- Bolt Pattern: Make sure the heads you choose have the correct bolt pattern for your specific 351W intake manifold.
- Spark Plug Angle: Some heads have different spark plug angles, which can affect how the spark plug fits and how the fuel burns.
Understanding Materials: What They’re Made Of
The material of your cylinder heads plays a big role in their performance and durability.
- Aluminum Heads: These are lighter than iron heads. This weight reduction can improve your car’s handling. Aluminum also helps cool the engine better, which can prevent overheating. They often offer better performance gains.
- Iron Heads: These are heavier but are usually less expensive. They are very durable and can withstand high temperatures. Iron heads are a solid choice if budget is a main concern.
Factors Affecting Quality
Several things can make cylinder heads better or worse.
- Casting Quality: A good casting means the metal is smooth and free of flaws. This helps air flow better and prevents leaks. Poor casting can hurt performance and lead to problems.
- Porting and Polishing: Some heads come with ports that are already smoothed and shaped for better airflow. This is called porting and polishing. It’s a sign of a higher-quality head.
- Valve Seats and Guides: These are important parts that hold the valves. High-quality valve seats and guides last longer and help the valves seal better.
- Assembly: If you buy assembled heads, check that the valves, springs, and retainers are installed correctly.
User Experience and Use Cases
Who uses these heads and why? The answer depends on your goals.
- Street Performance: If you want your daily driver to have more power for cruising and occasional bursts of speed, look for heads with a good balance of port size and combustion chamber volume. Aluminum heads are a popular choice here.
- Drag Racing/Track Use: For serious racing, you’ll want heads designed for maximum airflow at high engine speeds. These often have larger ports and valves.
- Restoration Projects: If you’re rebuilding a classic Mustang or F-100, you might look for heads that closely match the original design, or perhaps a mild performance upgrade that doesn’t change the classic look too much.
- Budget Builds: For a more affordable upgrade, iron heads can still offer significant improvements over stock heads.
Choosing the right cylinder heads for your 351W is an exciting step in building a better engine. By understanding these key features, materials, and quality factors, you can make a smart choice that will have your engine running stronger than ever.
Frequently Asked Questions (FAQ) for 351W Heads
Q: What are the main Key Features to look for in 351W heads?
A: The main Key Features include port size, combustion chamber size, valve size, intake and exhaust runner design, bolt pattern, and spark plug angle.
Q: What are the most common materials used for 351W heads?
A: The most common materials are aluminum and cast iron.
Q: How does port size affect engine performance?
A: Larger ports generally allow more air and fuel in, leading to more power, but they can hurt low-end torque if they are too big for the engine’s setup.
Q: What is the benefit of aluminum cylinder heads over iron heads?
A: Aluminum heads are lighter, which improves handling. They also help cool the engine better and often provide better performance gains.
Q: What does “combustion chamber size” mean?
A: It’s the space at the top of the cylinder where the fuel burns. A smaller chamber increases compression for more power.
Q: How can casting quality affect cylinder heads?
A: Good casting quality means smooth metal that helps airflow and prevents leaks. Poor casting can hurt performance and cause problems.
Q: What are “porting and polishing” on cylinder heads?
A: This is when the internal passages (ports) of the heads are smoothed and shaped to improve how air flows through them.
Q: Are larger valves always better for performance?
A: Larger valves usually mean more power, especially at higher engine speeds, because they let more air and fuel in and exhaust out.
Q: What kind of 351W heads are good for a daily driver?
A: Heads with a good balance of port size and combustion chamber volume work well for street performance. Aluminum heads are a popular choice.
Q: Should I buy assembled or unassembled cylinder heads?
A: Assembled heads come ready to install. You should check that the valves, springs, and other parts are put together correctly.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.