Cylinder Head Dowel Sleeve For Porsche 996 (1999-2004) 997 (2005-2011) 991 (2017-2018), Boxster 986/987/981/718 (1997-2026) or Cayman 987/981/718 (2006-2026) Models.

Precision-engineered cylinder head dowel sleeve designed for Porsche 911 (996, 997, 991), Boxster (986, 987, 981, 718), and Cayman (987, 981, 718) models. This critical component ensures proper alignment and positioning of the cylinder head during assembly and disassembly. Manufactured to OEM specifications for reliable fitment and performance. Essential maintenance part for engine work and rebuilds.