Ford 351C Cleveland Natural Steel Main Girdle Only Provides very positive shifts for

Provides very positive shifts for high performance street use or for competitive events

Bronze distributor gears must be checked often and replaced as needed

This casting process creates a much more uniform and robust cylinder head

Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms

designed to be used with aftermarket intakes only

Ford 351C Cleveland Natural Steel Main Girdle Only Provides very positive shifts forSpeedmaster Steel main girdles are machined from 1045 steel. Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks. Flat surfaces are finished with CNC machine center for accuracy and smoothness.