Universal Crank Shaft Puller (08-0631) by Motion Pro®. Blue. Save time pressing crankshafts into the engine case with the universal Crankshaft Puller. Universal steel nut adaptor works on virtually all crankshafts. Eliminates the need for a shop press to install crankshaft. 25 mm and 40 mm billet aluminum face plate adaptors ensure crankshaft is pulled perfectly straight into bearings. Reversible pull stud with both M10 x 1.25 and M12 x 1.25 threads.