Darton Sleeves Set For N14 MINI Engines (Closed Deck)

SKU
800800
£1,500.00 £1,250.00

Features

  • Improved block strength
  • Improved cooling
  • Increased boost and horsepower potential 
  • Superior oil and compression control
  • Superior cylinder sealing and ring wear
  • Bulletproof Darton ductile iron

The limits for generation 2 tuning are being pushed further all the time. Increased boost pressures associated with high-powered, tuned vehicles means increased cylinder pressures. For MINI N14 owners aiming to push over 350bhp you may suffer from a warped or cracked block, this Darton MID closed deck solution will prevent this from happening allowing you to push more boost and achieve higher horse power from your N14 1.6 turbo engine.  

Lohen can help with fully machining your N14 block to accommodate the Darton sleeves to give you a Modular Integrated Deck (MID) that is serviceable and individually replaceable. 

Darton are at the top of the game when it comes to block strengthening. Darton Sleeves have a huge 130,000 PSI tensile strength compared with a 30,000 PSI tensile strength of a cast iron block. This allows you to run your MINI Cooper S or JCW at higher boost pressures creating more power without running the risk of damaging your block.                                          

The Darton Sleeves use a wet sleeve design that offers better cooling over standard open deck designs. The Darton Sleeves feature ‘Swirl Coolant Technology’ for significantly improved heat transfer in the upper cylinder wall area. This improvement in cooling reduces detonation in the combustion chamber which is one of the most common causes of engine failure among high performance, high horsepower engines.  

Please Note: Machining of the Darton sleeves will be required to install pistons. 

  • Bore - 3.020
  • O.D. - 3.550
  • Wall - 0.174
  • OAL - 5.275
  • Flange thickness - 0.300
  • Flange diameter - 4.170
  • Application - 77nn - 77.5mm
  • 130,000 PSI tensile strength
  • 4x Darton Sleeves for the MINI N14 engine

Lohen offers professional, in-house fitting for all products at our workshop in Eccleshall, Staffordshire. Here are the important things you need to know:

Fitting Cost - Please contact us for costs of having these installed into your engine

Fitting Time - Please contact us for more information on lead times

Required Additional Items/Services - The block will need to be machined when installing these. 

Lohen Recommends - N/A

Refunds are available within 7 days after delivery for products that are unused and are in original packaging. Special order goods are non-refundable. Products that are damaged in transit to or from the customer can be refunded up to 14 days after the product has been delivered. Products returned to us in an imperfect, non-resalable condition will not qualify for a refund. Products that are faulty due to the manufacturing process are refundable under the manufacturers' warranty for a limited time specified in the manufacturer's terms and conditions. These do not apply if the product has been fitted incorrectly or misused, motorsport use could further reduce the manufacturer's warranty. If an order is cancelled or refunded the buyer is responsible for the return of the goods to such address as directed by the supplier and is at the consumer's sole expense. This does not affect your statutory rights.

More Information
Manufacturer Darton Sleeves
Engine Type N14
Tech Specs
  • Bore - 3.020
  • O.D. - 3.550
  • Wall - 0.174
  • OAL - 5.275
  • Flange thickness - 0.300
  • Flange diameter - 4.170
  • Application - 77nn - 77.5mm
  • 130,000 PSI tensile strength
Whats in the box
  • 4x Darton Sleeves for the MINI N14 engine
Fitting Details

Lohen offers professional, in-house fitting for all products at our workshop in Eccleshall, Staffordshire. Here are the important things you need to know:

Fitting Cost - Please contact us for costs of having these installed into your engine

Fitting Time - Please contact us for more information on lead times

Required Additional Items/Services - The block will need to be machined when installing these. 

Lohen Recommends - N/A

Returns & Refunds

Refunds are available within 7 days after delivery for products that are unused and are in original packaging. Special order goods are non-refundable. Products that are damaged in transit to or from the customer can be refunded up to 14 days after the product has been delivered. Products returned to us in an imperfect, non-resalable condition will not qualify for a refund. Products that are faulty due to the manufacturing process are refundable under the manufacturers' warranty for a limited time specified in the manufacturer's terms and conditions. These do not apply if the product has been fitted incorrectly or misused, motorsport use could further reduce the manufacturer's warranty. If an order is cancelled or refunded the buyer is responsible for the return of the goods to such address as directed by the supplier and is at the consumer's sole expense. This does not affect your statutory rights.

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