These Engine Builder valve guides have been designed with the price conscious builder in mind. Expect the same exacting KPMI® tolerances, but with a reduced toughness / wear-ability when compared to premium C630 Nickel Aluminum Bronze valve guides. The...

After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own specification of cast iron made exclusively , us. We specify elements such as carbon, silicon, manganese, nickel,...

Increases horsepower and throttle responseInstalls in minutesThird generation technologyNo computer needed to adjust EFIPlug-in technology (Does not interfere with stock ECU map)Integrated faceplate buttons provide easy adjustmentHighly recommended for...

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included

Grade-50 steel constructionShot blasted before powder-coated for the best finishMade in the USAHardware not included