Darton Seal Tight Sleeves for Subaru EJ25 (300-031-3D) Energy Suspension Fits all 4G63 including 6-bolt

Fits all 4G63 including 6-bolt

and no gasket is required

Auto-Trak II® (#12378508) and Chrysler spec MS-9224

Each wire is fitted with a positive locking

• Available with or without stainless hardware

Darton Seal Tight Sleeves for Subaru EJ25 (300-031-3D) Energy Suspension Fits all 4G63 including 6-boltDarton Dry Seal Tight sleeves for the EJ25 Subaru WRX and STi engines replace your factory cylinder liners with a stronger, more durable and longer lasting surface that can hold more power and may be bored further than stock. A "Dry Sleeve" means that the sleeve does not contain water or coolant passages bored through the top flange. This solid design provides a more rigid structure to prevent warping and sleeve expansion. Darton cylinder head sleeves