Core Drills & Reamers
Core Drill and Reamers used to bore out old "cast in head" valve guides to accept new press in valve guides.
Core Drills and Reamers in many sizes (Standard and Specialty)
that will fit a variety of Seat and Guide machines.
Sunnen, Peterson, Winona Van Norman, DCM,
Tobin Arp, Kwik Way
Saves time! With one single pass, this core drill-reamer combo tool will bore guide holes to .500" to accommodate all types of 1/2" aftermarket guides.
Core drills for boring out cast in head valve guides
Reamer used to finish ream valve guide bore to size after core drilling.