Darton Seal Tight Sleeves for Subaru EJ25 (300-031-3D) Killer B 4% efficient

4% efficient

00" (127mm) 24" Long 102-12723-0000 6

or high speed touring

The 6-Speed panel (8015A001HA) is discontinued and no longer available from Mitsubishi

Darton Seal Tight Sleeves for Subaru EJ25 (300-031-3D) Killer B 4% efficientDarton 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