Engine Crankshaft Turning Nut Fits Big Block Chevy Engine Crankshafts Proform Carburetor Tool and refined tuning features that

and refined tuning features that optimize fuel induction

Comes with billet jet plate

Fits 1957 to 1997 283-305-307-327-350-400 Small Block Chevy Engines

a magnetic drain plug

all-aluminum radiator

Engine Crankshaft Turning Nut Fits Big Block Chevy Engine Crankshafts Proform Carburetor Tool and refined tuning features thatThis heavy duty crankshaft turning nut easily installs through the harmonic balancer and into the end of the crankshaft with the included grade 8 bolt. Once that's done, your balancer is held securely, and you have turning nut that is ready to rotate whenever necessary. Features: Heavy Duty Model Fits Big Block Chevy Engine Crankshafts Made from High Quality Steel Black Oxide Finish 1 inch Stud Length Sold Individually