Engine Push Rod Slotting Tool Modifies Small Block Chevy Cylinder Heads for 1.6 Ratio Rocker Arms Proform Ignition Tune-Up Kit Features a great looking smooth

Features a great looking smooth black powdercoat finish

Fits Small Block Chevy Engines With Center Bolt Heads

7/16 Inch Diameter

Tall Model For Beehive Valve Springs

Fits Chrysler 413-426W/HEMI-440 Big Block RB Engines

Engine Push Rod Slotting Tool Modifies Small Block Chevy Cylinder Heads for 1.6 Ratio Rocker Arms Proform Ignition Tune-Up Kit Features a great looking smoothEasily modify your heads for 1. 6 ratio rockers with this handy pushrod slotting tool. Simply use a 5 16 inch drill bit to correctly lengthen the pushrod slot with precision. Recommended usage is one tool for each set of heads. Sold individually. Product Details: Engine Push Rod Slotting Tool Modifies Small Block Chevy Cylinder Heads for 1. 6 Ratio Rocker Arms Designed to Elongate The Pushrod Slot in The Cylinder Head Uses a Drill and a 5 16 Inch