Engine Crankshaft Turning Nut Fits Small Block Chevy Engine Crankshafts Proform Cap/Rotor This fully adjustable tool fits

This fully adjustable tool fits easily onto your rocker arm for pressure checks and will measure pressure up to 600 lbs

For GM Vehicles 1973-1986 With GM Type Internal Regulator Alternator

Just pop a set of these on PROFORM hardened shaft P/N 66867

It will cut valve spring removal and replacement time to around 1-hour

Engine Crankshaft Turning Nut Fits Small Block Chevy Engine Crankshafts Proform Cap/Rotor This fully adjustable tool fitsThis 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 Small Block Chevy and V 6 Engine Crankshafts Made from High Quality Steel Black Oxide Finish 1 inch Stud Length Sold Individually