Darton Manufactured Dry Block Sleeve - Subaru EJ25 Applications

The unique matrix of Darton s centrifugally cast nodular iron sleeves provides unexcelled surface toughness. Darton s unique casting process provides a bore finish which, while very tough, promotes quick and total piston ring seal for the most complete combustion possible from each cylinder. Darton pioneered modular sleeve designs and specialty ductile iron material beginning with their manufacture of top fuel sleeves in 1978.

Darton sleeves excel in the harsh environment of all-out racing. Their centrifugally cast nodular composition represents the highest quality of any cast material.

Features:

• Sold Individually
• Bulletproof Darton ductile iron
• High boost and horsepower potential
• 130,000-psi tensile strength
• Cast iron performance in an aluminum block
• Superior cylinder sealing and ring wear
• Improved block integral strength & cooling
• Street or strip application

• Bore: 3.890in
• Outer Diameter 1: 4.250in
• Outer Diameter 2: 4.200in
• Wall Thickness: 0.180in
• Length: 4.800in
• Flange Thickness: 0.500in
• Flange Diameter: 4.600in
• Flats: 2.223in
• Application: 99.5mm to 102mm

• Saab 9-2x Linear (EJ253 - USA) 2.5L H4 05-06
• Saab 9-2x Aero (EJ255 - USA) 2.5L H4 Turbo 05-06
• Subaru Baja (EJ251 - USA) 2.5L H4 03-04
• Subaru Baja (EJ253 - USA) 2.5L H4 05-06
• Subaru Baja (EJ255 - USA) 2.5L H4 Turbo 04-06
• Subaru Forester (EJ25D - USA) 2.5L H4 1998
• Subaru Forester (EJ251 - USA) 2.5L H4 00-02
• Subaru Forester xT (EJ255 - USA) 2.5L H4 Turbo 04-08
• Subaru Forester xT (EJ255 - USA) 2.5L H4 Turbo 09-13
• Subaru Impreza (EJ25D - USA) 2.5L H4 1998
• Subaru Impreza 2.5RS / 2.5TS (EJ251 - USA) 2.5L H4 98-01
• Subaru Impreza 2.5RS (EJ254 - USA) 2.5L H4 02-04
• Subaru Impreza Outback Sport (EJ251 - USA) 2.5L H4 02-04
• Subaru Impreza WRx (EJ255 - USA) 2.5L H4 Turbo 06-07
• Subaru Impreza WRx (EJ255 - USA) 2.5L H4 Turbo 08-14
• Subaru Legacy (EJ253 - USA) 2.5L H4 05-09
• Subaru Legacy 2.5GT (EJ255 - USA) 2.5L H4 Turbo 05-09
• Subaru Outback (EJ25D - USA) 2.5L H4 96-99
• Subaru Outback (EJ251 - USA) 2.5L H4 00-04
• Subaru Outback (EJ253 - USA) 2.5L H4 05-09
• Subaru WRx STI (EJ257 - USA) 2.5L H4 Turbo 04-07
• Subaru WRx STI (EJ257 - USA) 2.5L H4 Turbo 08-21

• Darton EJ25 cylinder sleeves will also fit most non-USA market Subaru EJ25 engines. Please call for details.