Darton Iron Dry Sleeves - Subaru EJ25 Models (inc. 2004-2021 STI)

HIGHLIGHTS:

• Designed to highly reinforce the cylinder walls in the EJ25
• Ideal for those building a big boost and big horsepower engine

Darton Iron Dry Sleeves

SPECS:

• BORE: 3.890
• OD: 4.250
• OD2: 4.200
• WALL: 0.180
• LENGTH: 4.800
• FLANGE THICKNESS: 0.500
• FLANGE DIAMETER: 4.600
• Sold as a complete set of 4 sleeves
• Come as a 99.5mm bore and can be bored out to 102mm

FOR THOSE OF YOU WHO NEED TO ADD MORE STRENGTH TO THAT EJ25

The Darton Iron Dry Sleeves have been designed to greatly reinforce your cylinder walls especially if you are building your engine to sustain more boost and power levels that would otherwise surpass the limits of the factory EJ25. These sleeves feature the strongest in iron construction and will provide your pistons with optimal oil and compression control, along with superior cylinder sealing.