PROFORM's Professional Crankshaft Turning Socket is for the serious Cheyy LS engine builder and tuner. This handy tool easily attaches to the oil pump drive lug splines. Once it's attached, pop an oversized degree wheel on the professional crankshaft turning socket and you're ready to degree the camshaft! 100% Stainless Steel.Proform For Chevy LS1 and LS6 Gen. III Engine Crankshafts 67606Specifications: Tool Type LS Tools Category Crank Turning Socket Finish Black Feature/Benefit PROFORM's Professional Crankshaft Turning Socket is for the serious Cheyy LS engine builder and tuner. Description_ABR Crank Tool Description_SHO Crank Turning Socket Description_INV Crank Turning Socket Description_INV LS Engines Description_DEF Engine Crankshaft Turning Socket Tool Description_ASC Engine Crankshaft Turning Nut Description_ASC For Chevy LS1 and LS6 Gen. III Engine Crankshafts Description_LAB Engine Crankshaft Turning Nut Description_LAB For Chevy LS1 and LS6 Gen. III Engine Crankshafts Description_DES Engine Crankshaft Turning Nut Description_DES For Chevy LS1 and LS6 Gen. III Engine Crankshafts Description_EXT Engine Crankshaft Turning Nut Description_EXT Heavy-Duty Model Description_EXT Fits Chevy LS1 and LS6 Gen III Engine Crankshafts Description_EXT Made From High-Quality Steel Description_EXT Gold Iridate Finish Description_EXT Sold Individually Description_MKT PROFORM's Professional Crankshaft Turning Socket is for the serious Cheyy LS engine builder and tuner. This handy tool easily attaches to the oil pump drive lug splines. Once it's attached, pop an oversized degree wheel on the professional crankshaft turning socket and you're ready to degree the camshaft! 100% Stainless Steel.