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especially if you frequently have to remove and reinstall the valve covers
You need guideplates to keep your pushrods from deflecting under high-rpm conditions
including most aftermarket and OEM gauges
they'll conform to rough or irregular surfaces to maintain a positive seal
loosening the converter and helping spool the turbo quickly
Ford SB 289 302 351 Windsor Stainless Steel 1.6 Ratio Shaft Mount Roller Rockers especially if you frequently haveSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking finish.
