Rocker Arm Poly Locks 
7/16" Thread Poly-Lock

.550 " Outside Diameter; Not for use w/ Stud Girdles
Designed to Fit Most Extruded Roller Rocker Arms
Features:
  • Designed to Fit Most Extruded Roller Rocker Arms
  • Fits Chevy Small Block 262-400 Engines 1955-86
  • Sold as One Set of 16 Pieces
PART# 66936
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Engine Rocker Arm Poly-Locks; 7/16 Thread; Fits Most Extruded Roller Rocker Arms. 16 per package.

  • 16 per package
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