New to the lineup of COMP Cams timing sets are the LS Timing Sets for Raised Cam Blocks. These are engineered for use with Cam blocks raised.388" above stock, which includes the popular RHS® LS Race Block and Dart billet blocks. Available in a wide variety of options that include 3-keyway, 9-keyway or Hex- Adjust, 1 or 4 pole reluctors, and single or three-bolt Cam cores, you're sure to find an LS Timing Set to fit your specific needs.