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  • TWIN CAM COMPRESSION RELEASE VALVE INSTALLATION KIT
  • For big-inch or high-compression Twin Cams
  • Works on front and back head, with or without valves installed
  • Simply drill, spot face, tap and install compression release valves
  • Installation kit includes fixture, drill bit, spot face bit and thread-tapping tool
  • Thread-tapping tool is also available separately for other uses
  • Made in the U.S.A.