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Darton MID Block Sleeve Kit Toyota 3UR V8 Applications Toyota Sequoia 5.7L 08-18 | Toyota Tundra 5.7L 07-18

$1,995.00

Darton Sleeves

Model #900-300


Shopper Award

Many production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of "cast in sleeves" provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what they call Modular Integrated Deck (MID).

In addition, Darton designs manage and enhance water flow from block to head to promote stability of cooling and all sleeves are of the "Wet" design. The enhanced water flow in and around the flange area is possible because of ported water flow control engineering Darton calls "Swirl Coolant Technology". Heat is also dissipated through the use of "Register Fins". While heat is generally considered to translate into energy, high resident heat in the combustion chamber can lead to detonation, the single highest cause of engine failure in the high horsepower regimes.

Darton supplies the MID sleeves with a phosphate coating. Phosphate coating is the treatment with a solution whereby the surface of the metal is covered with an integral, protective layer of insoluble crystalline. This microcrystalline structure on the MID sleeve makes it optimal for corrosion and rust resistance. Additionally this adds another protective barrier for the o-rings in the lower register of the sleeve extending their lifespan even longer.

Darton MID Key Benefits:

  • Cast iron performance in an aluminum block
  • Improved block integral strength
  • Improved cooling
  • "Wet sleeve" replace-ability
  • Increased horsepower output potential
  • Superior oil and compression control
  • Superior cylinder sealing and ring wear
  • Street or strip application
  • Bulletproof Darton ductile iron
  • 130,000-psi tensile strength
Specifications:
  • Bore: 3.690in
  • Outer Diameter: 4.290in
  • Wall Thickness: 0.300in
  • OAL: 5.850in
  • Flange Thickness: 0.400in
  • Flange Diameter: 5.160in
  • Application: 94mm to 100mm MAx
Fitment:
  • Toyota Sequoia (3UR-FBE) 5.7L V8 08-18
  • Toyota Tundra (3UR-FBE) 5.7L V8 07-18
Notes:
  • Darton 3UR-FE cylinder sleeves will also fit most non-USA market Toyota 3UR-FE engines. Please call for details.

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Vehicle Engine Notes
2008-2018
Toyota Sequoia

2007-2018
Toyota Tundra

The Story of Darton Sleeves

Darton Sleeves was incorporated in 1978 with the goal of becoming a premier manufacturer of automotive speed parts. In pursuit of this objective, the founders established manufacturing relationships with several unique European factories that specialized in products and techniques that would appeal to Darton’s potential customers. Later in 1990, Darton became part of an international company based out of Portugal. That company was Pachancho, a 100-year-old manufacturing firm located in picturesque northern Portugal that leads a group of companies that specialize in automotive parts like cylinder sleeves, piston rings, iron castings, and specialty aluminum castings.

The Darton affiliate company is world-renowned and a major supplier to the automotive industry in Europe. All the material for Darton's cylinder sleeves is produced in the Portugal workshop, which is recognized worldwide for excellence in all forms of unique types of centrifugally cast ductile and grey iron. The focus of Darton International’s business, to this day, is the production and delivery of cylinder sleeves (also called cylinder liners).

Where is Darton Sleeves Today?

Today, Darton Sleeves continues to advance in the performance racing industry market. It is widely recognized as a leader in the engine sleeve arena, staying in the lead technologically thanks to its ability to solve problems associated with the increased power demands made by pro racers and enthusiasts alike. What’s more, Darton Sleeves is also the main sleeve supplier for the Ford SVO aluminum engine program.

Darton Sleeves is constantly evaluating current engine designs from the OEM market as a way of anticipating the needs of petrolheads and to stay ahead of the curve. The company employs a market strategy aimed at being the primary sleeve supplier of choice for small engine shops and OEMs too. To reach this goal, Darton is always hard at work researching and utilizing its state-of-the-art manufacturing technology to continually market new products such as its latest invention: the “modular integrated deck sleeve” kits. From simple cost-effective sleeve replacements to high-tech modified solutions, Darton Sleeves has what you need.

Get Darton Sleeves at Vivid Racing

Vivid Racing carries a wide array of piston sleeves from Darton Sleeves for a number of different vehicles, including cars, trucks, and SUVs. If you have any questions regarding the products listed above or about Darton Sleeves, please do not hesitate to call our expert sales team at (480) 966-3040. 

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