• 11" Degree Wheel for Valve/Cam/Ignition
• Accurately measures several timing functions of an engine: camshaft centerline, valve timing, TDC, BDC, etc.
• Made from heavy gauge metal with a silk screen finish for long-lasting use in shop or track environments
• For mounting Degree Wheels, use Crankshaft Socket No. 61755 or No. 61756 for Small and Big Block Chevys, and No. 61757 for LS Series Engines with keyway