Bosch viton fuel injector o-rings to replace your old worn, brittle or torn stock o-rings. These fit all modern ford size injectors. Also always use a petroleum based lubricant whenever installing injectors on a rail or manifold to prevent damaging the rings. These are alcohol/methanol/ethanol compatible 14.5mm/3mm thick. $10 shipped for a set of 16 to replace all your O-rings or can break it up into smaller numbers for 50 cents an oring and $2 shipping on the order. (Injector in the picture is to show them installed, not included)
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