COMP Cams 1.810" Valve Spring Cutter HYPL11M61FIA Closes at pressures 50psi and

Closes at pressures 50psi and lower

1971-1982 Mercury Marquis

25" diameter

25" x 17" x 15"

COMP Cams 1.810" Valve Spring Cutter HYPL11M61FIA Closes at pressures 50psi andMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 810" Spring Cup Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor pilot, which are available in three different sizes. This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1. 810" outer diameter while reducing the