We sent the information directly to your e-mail address twice, don't know what the problem could be:
Older pumps with the silver end cap can be updated to current specs (Teflon rings vs. O-rings) for $75.00 each.
Newer pumps with gold end caps can be serviced for $50.00.
Ship the pumps along with a check for the total to:
Race Pumps
Service Department
222 Hillcrest Drive
High Point, NC 27262
Return shipping is free. Your pumps will be back to you within 10 days.