Enginetech GD9108

Enginetech GD9108 is a spiral-ID engine valve guide for selected Chrysler, Dodge, Jeep, Plymouth, American Motors, and other classic applications. The spiral inside finish helps retain an oil film at the valve stem.

Application / fitment

Catalog listings show GD9108 for selected Chrysler / Dodge 3.9, 5.2, and 5.9 engines and selected American Motors and Jeep 3.3 / 199, 3.8 / 232, 4.2 / 258, 4.7 / 290, 5.0 / 304, 5.6 / 343, 5.9 / 360, and 6.4 / 390 applications. In older heads, guide dimensions and machining requirements matter more than model name alone.

• part type: engine valve guide
• selected Chrysler / Dodge 3.9, 5.2, and 5.9 engines
• selected American Motors and Jeep 3.3 / 199, 3.8 / 232, 4.2 / 258, 4.7 / 290, 5.0 / 304, 5.6 / 343, 5.9 / 360, and 6.4 / 390 engines
• inside type: spiral ID

After installation, the guide must be finished to the correct working clearance and the valve seat must be checked. During head service, the valve seal should be selected for the finished guide diameter, not only the raw guide size.

Technical information

• part type: engine valve guide
• material: iron
• inside finish: spiral ID
• inside diameter: 0.3740" / 9.50 mm
• outside diameter: 0.5020" / 12.75 mm
• length: 2.375" / 60.33 mm
• sale unit: 1 piece