Earls Stat-O-Seal - 178008ERL fuel-pressure-testers Introducing the Holley EFI 2

Introducing the Holley EFI 2 Axis G-Meter

4L V8 1974 - 1976 Ford F-100   390/6

7L V8 1979 GMC C2500 400/6

1x Vapor Line A

Step by Step Instructions

Earls Stat-O-Seal - 178008ERL fuel-pressure-testers Introducing the Holley EFI 2Overview: The Stat O Seal is very simply the best sealing washer available. It consists of a synthetic rubber "O" ring mechanically locked to the I. D. of an aluminum washer. When tightened, the "O" ring is compressed, forcing the sealing surfaces around the bolt shank. They will form a positive seal over a temperature range of 85 to +450 F. They provide the advantages of an "O" ring type seal without the necessity of machining "O" ring grooves into