posted
Copied this off svtp - if they cant find under cobra try mark8
Quote Originally Posted by birdman941 View Post Ford part number is 391533-S100 LIST price is $3.67 each
The specs are: "Viton Orings #914 Hydraulic SAE BOSS 7/8" Make sure you get the Viton material. It has the correct Temperature range and does not absorb Coolant, oils or grease. The diameter of the oring is 0.116" - 0.118"