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Home » Ford Focus RS 2.3L Ecoboost 4x4 » Focus RS Engine Internals Lower

Product ID: Focusenginelower01
MID Engine liner set only (NOT fitted)
MID Engine liner set only (NOT fitted)
1 of 2
Many production aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area when tuning for very high power levels.

ND offer a CNC program to fit these liners which we are happy to perform on a mailorder basis (if you send us a block) or just send the liners to you mailroder. Be aware though this is a very difficult job to get right!

Darton has engineered a superior patented (patent #6,799,541) 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 (essential for durability) which is called 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 we call "Swirl Coolant Technology™". This process begins with specific engineering models of respective cylinder head and combustion chamber designs and then we promote increased flow of water in those areas of the upper sleeve area subjected to the most heat. Heat is also dissipated through the use of " Register Fins"™. There is a different engineering model for each engine and cylinder design.

The benefits of MID liners are:

- Cast iron performance in an aluminum block
- Improved block integral strength
- Improved cooling
- Kits can be installed by your local machine shop
- "Wet sleeve" replace-ability
- High boost and horsepower potential
- Superior cylinder sealing and ring wear
- Street, strip or race application
- Bulletproof Darton ductile iron
- 130,000psi tensile strength

Price: £799.00 (£958.80 Inc. VAT)

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