Enginetech S2970
Positive-metal-clad valve stem seal for 0.562" / 14.27 mm guides and 3/8" / 9.53 mm valve stems, with a Viton sealing lip.
Enginetech S2970 is a positive-metal-clad valve stem seal for selected engines using a 3/8" / 9.53 mm valve stem and a 0.562" / 14.27 mm guide. The metal body and Viton sealing lip provide stable guide retention and resistance to heat and engine oil.
Application / fitment
This seal fits selected Cadillac, Chevrolet, Dodge, Ford, GMC, International, and Jeep applications requiring a 3/8" x 0.562" positive seal. Typical catalog coverage includes selected classic V8 engines such as Chevrolet 305 / 350, Chrysler and Dodge 318 / 340 / 360 / 383 / 400 / 440, Ford FE 352 / 390 / 428, and selected International V8 engines.
- part type: valve stem seal
- selected V8 engines with 3/8" / 9.53 mm valve stems
- selected Cadillac, Chevrolet, Dodge, Ford, GMC, International, and Jeep applications
- seal type: positive-metal clad
Before installation, verify guide outside diameter, valve stem diameter, and spring clearance. A positive seal must sit squarely on the guide without tilting or damaging the working lip.
Technical information
- part type: valve stem seal
- material: Viton
- guide outer diameter: 0.562" / 14.27 mm
- inside diameter: 0.562" / 14.27 mm
- outside diameter: 0.661" / 16.79 mm
- seal length: 0.433" / 11.00 mm
- stem outer diameter: 0.366-0.388" / 9.30-9.86 mm
- valve stem size: 3/8" / 9.53 mm
- installation tool: 3-1686
- sale unit: 1 piece