- Car & Truck Engine Blocks Used-New Parts
- sku: 7039635170809761
- SPEEDMASTER 1-286-005-01
1-286-005-01 SPEEDMASTER Windsor Billet Iron Engine Block B-4
fits model: 351w, B-4, 125, 500. make: Ford.
| Brand | SPEEDMASTER |
|---|---|
| Manufacturer Part Number | 1-286-005-01 |
| Type | ENGINE BLOCK |
| Material | CAST IRON |
Review SPEEDMASTER Ford Windsor 4-bolt Billet Main Iron Engine Block for FORD 351W B-4 125 500
Introducing the Speedmaster 1-286-005-01, a high-performance 4-bolt billet iron engine block specifically designed for Ford 351W Windsor B-series engines with a displacement of 351 cubic inches. This engine block, manufactured by Speedmaster, is an excellent choice for those seeking superior strength and durability for their performance builds.
The 1-286-005-01 block boasts a billet iron construction, ensuring maximum rigidity and longevity. Each component is meticulously machined to ensure precise dimensions and a perfectly flat and square deck surface. This results in improved cylinder alignment, reduced engine stress, and enhanced overall performance.
The block includes a bore size of 4.125 inches (104.8mm) and a deck height of 9.500 inches (241.3mm), making it suitable for standard-sized Ford 351W Windsor components. The 4-bolt design provides increased clamping force and superior cylinder head sealing, ensuring a more robust and leak-free engine.
This engine block is also compatible with popular aftermarket heads, including the 351C DH heads. The large, flat deck surface and precise machining ensure a perfect fit and seamless integration with these high-performance cylinder heads.
The Speedmaster 1-286-005-01 is not just a performance upgrade; it's an investment in reliability and longevity. With its billet iron construction, precise machining, and compatibility with popular aftermarket components, this engine block is the ideal foundation for your high-performance Ford 351W Windsor build.
In summary, the Speedmaster 1-286-005-01 is a 4-bolt billet iron engine block designed for Ford 351W Windsor B-series engines. It features a bore size of 4.125 inches and a deck height of 9.500 inches, making it suitable for standard-sized components and popular aftermarket heads. Its billet iron construction ensures superior strength, durability, and performance, making it a top choice for enthusiasts and racers looking to build a high-performance engine.
The Ford 351W Windsor B-4.125 M-351C DH-9.500 4-bolt billet iron engine block, when paired with a Speedmaster 1-286-005-01 crankshaft, can provide several benefits for automotive enthusiasts looking to build a high-performance engine. Here are some pros and cons to consider before making a purchase:
Pros:1. Increased Strength and Durability: The billet iron material used in the Ford 351W Windsor engine block is known for its superior strength and durability. Billet iron is machined from a single piece of iron, eliminating the need for casting and reducing the likelihood of porosity and other defects that can weaken the block.
2. Improved Performance: The 4-bolt main bore design of the Ford 351W Windsor engine block allows for the use of high-performance connecting rods and pistons, which can help improve engine performance.
3. Better Heat Dissipation: The larger deck size of the Ford 351W Windsor engine block allows for the installation of larger, more efficient cooling systems, which can help improve engine performance and longevity.
4. Customizability: The Ford 351W Windsor engine block is a popular choice for custom engine builds due to its availability in various sizes and configurations.
Cons:1. Cost: The cost of a billet iron engine block, such as the Ford 351W Windsor, is significantly higher than that of a cast iron block. This can make it a less viable option for those on a tight budget.
2. Complexity: Building a high-performance engine using a billet iron block and a crankshaft like the Speedmaster 1-286-01 requires a high level of expertise and specialized tools. This can make the build process more complex and time-consuming.
3. Weight: The billet iron material used in the engine block is denser and heavier than cast iron, which can add weight to the engine and require modifications to the vehicle's suspension and drivetrain.
Ending Conclusion:The Ford 351W Windsor B-4.125 M-351C DH-9.500 4-bolt billet iron engine block, when paired with a high-performance crankshaft like the Speedmaster 1-286-005-01, can provide significant benefits for those looking to build a high-performance engine. However, the increased cost, complexity, and weight of the billet iron block should be carefully considered before making a purchase. Ultimately, the decision to invest in a billet iron engine block depends on your specific goals, budget, and level of expertise.
Recommendation:If you are an experienced automotive enthusiast with a significant budget and a desire to build a high-performance engine, the Ford 351W Windsor B-4.125 M-351C DH-9.500 4-bolt billet iron engine block and a Speedmaster 1-286-005-01 crankshaft could be a worthwhile investment. However, for those with less experience or a smaller budget, a cast iron engine block may be a more practical and cost-effective option. It is essential to carefully weigh the pros and cons and consult with experts in the field before making a decision.
Details:
Notes: check hood clearance before installing. Block is ready for the street racer or all out with added strength and cubic inches. Blocks are cast from highest quality high-density iron with extra-thick cylinder walls and decks. The next level of performance is these cast iron Ford small blocks.
Bore stroke: 4.185 in. All the factory flaws re designed to eliminate all problems, still using water jacket design. Max recommended cam journal od: standard SF - can be bored to 55mm plug: 2.375 in. Designed to look standard under your bonnet, and work with stock components.
Cup plug cylinder wall thickness: 0.250 in. Priority main oiling with external pump. Specs brand: Speedmaster part number: 1-286-005-01 type: engines, bare block cylinder bore diameter: 4.125 in. Bore quantity: sold individually.
specifications engineblocksam:
- for models: 351w, B-4, 125, 500
- for makes: Ford
- brand: Speedmaster
- mpn: 1-286-005-01
- type: Engine Block
- material: Cast Iron
shipping engineblocksam:
- service: flat rate freight
- class: freight
- type: fixed
offer engineblocksam:
- availability: in stock
- in stock #: 4
- prices: $2550.00–$2954.55
- item condition: New
- sold #: 18
- started: november 5, 2025
- options: ship-to-home
general engineblocksam:
- category: Auto Parts > Car Truck Accessories > Engines > Blocks
returns engineblocksam:
- paid by: seller
- time: 30 days
- policy: returns accepted
seller engineblocksam:
- rating: 99.1%
- city: rialto, california
- # reviews: 1539
payments engineblocksam:
- wallet: apple-pay
- credit card: visa
- other
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