SKU: 93355387248

Ford Racing BOSS 351 Cylinder Block 9.5inch Deck

Sale price$1735.65 Regular price$1928.50
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  • CAN

Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

Ford Racing BOSS 351 Cylinder Block 9.5inch DeckFord Racing Engineers have designed the replacement for the legendary BOSS 302 and 351 blocks using the latest technology and manufacturing techniques from both the production and racing worlds. The BOSS block capability has been proven abound the world both on the track and on the street. By preserving many of the dimensions and features from the original 289 351 blocks, the BOSS blocks are compatible as replacements for use in just about any vehicle

Ford Racing Engineers have designed the replacement for the legendary BOSS 302 and 351 blocks using the latest technology and manufacturing techniques from both the production and racing worlds. The BOSS block capability has been proven abound the world – both on the track and on the street. By preserving many of the dimensions and features from the original 289-351 blocks, the BOSS blocks are compatible as replacements for use in just about any vehicle that used aWindsor style engine. Cast from diesel grade iron and designed with added material in key areas, BOSS block strength is far superior to any Ford OE block ever produced. Requires special length 1/2 in. head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306/307/Z304DA heads. Designed to be compatible with the original 302 and 351W blocks. Designed to use stock type timing cover, timing Cover M-6059-D351 recommended; Designed to use stock type timing cover, timing Cover M-6059-D351 recommended; M-6026-A Service Replacement Plug and Dowel Kit available separately; includes O-ring threaded plugs, black anodized aluminum plugs with Buna 'O' rings for the oil galleys, water drains and core holes, and dowels for front cover, clutch housing and cylinder heads. Retains clutch cross shaft pivot hole; Original Style oil filter location; Original motor mount boss locations; Original bell housing pattern; Weighs approximately 205 lbs.; Great price and value; The foundation for 9.5 in. deck projects. Proven performance - used in Ford Racing high performance crate engines, a proven winner out of the crate and thousands of laps before rebuild.

  • Requires Head Gaskets M-6051-CP331 or M-6051-S331
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 93355387248

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4.4 ★★★★★
Based on 29 reviews
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Whiting, US
★★★★★ 5
Perfect applicators tool
Tool worked great. Bonds sound proofing to metal perfectly.
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Reviewed in the United States on April 9, 2026
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Verified Purchase
this guy
Birmingham, US
★★★★★ 5
Must have
These things a freaking AWESOME! If you're doing a big sound deadner job, you need thees! The 3 different sizes are perfect for the different shapes in the floor pans. Well built, good quality and they have a nice weight to them. Just buy them and thank me later. For $15.00 you can't go wrong.
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Reviewed in the United States on March 12, 2026
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Verified Purchase
Mike
New York, US
★★★★★ 5
Great sound mat for the price!
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
This is a good product. Many people go with KILMAT because of the value to price point. I did as well. When you clean the surface (in my case it was all painted metal) this stuff sticks very well. I do recommend you use a seam roller of some type, I used Lumiteco 3 piece roller set. This will help with adhesion and mostly flatten the overlapped edges. It also helps you see where you have rolled as it leaves little grooves. The difference when we had no sound mats and after was very impressive. We haven't finished our install yet and it is quieter than when we had an interior in the van. There are thicker mats available in other brands, but this will work great for our van build, but this helps keep the weight down. It is quality material, just be careful when you are removing the backing, the edge of the foil face can cut you. I suggest you layout where you are installing the mat and cut to fit. From what I have read, you don't need to cover every inch in the vehicle, just spot install for a big difference. I chose to cover most surfaces to help keep sound out when we are sleeping in the van. We haven't finished putting the van yet, but we have driven it around and been very satisfied with this product.
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Reviewed in the United States on December 3, 2025
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Verified Purchase
Paul
Battle Creek, US
★★★★★ 5
Excellent sound deadening mats
Style: 80 mil 36 sqft, Style: 80 mil 36 sqft
Purchased these for a 2020 Lexus RX350 due to the hollow sound of the car doors when shutting. They sounded cheap. The mats are super sticky and I applied them when the doors were hot from sitting in the sun. They alubutyl sticks like crazy and the end result was perfect. Now I have solid sounding doors. Good quality product.
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Reviewed in the United States on May 20, 2026
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Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Awesome product 👌
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
I love this stuff. I use it alot. Sticks great Easy to use Molds super easy Really helps with sound. Great product. I wish I could get sponsored for this product on my projects..
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Reviewed in the United States on April 30, 2026

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