Engine Valve Cover Wing Nuts Steel Black Bowtie Logo 1/4-20 Thread 4 Pack Red Bowtie Chevrolet Performance Parts Pipe Plug Removal Tool put it in the vise

put it in the vise and start testing

repeatability

Oil pan pickup sold separately

60 Amp Model

and the right gauge records individual cylinder pressure - and the difference is you leakdown

Engine Valve Cover Wing Nuts Steel Black Bowtie Logo 1/4-20 Thread 4 Pack Red Bowtie Chevrolet Performance Parts Pipe Plug Removal Tool put it in the visePremium Chrome Wing Nuts. Chevrolet Bowtie Emblem is cut sharply into the top of each wing nut. The lower ends of the shafts are manufactured with wide shoulders for broad load distribution, and each wing nut is supplied with a separate stud which permits precise gasket positioning on the head prior to mounting the valve covers. Fits Chevrolet small and big block, and V6. 1 4in x 20 thread. Officially Licensed Chevrolet Performance Product. Sold as