F.A.S.T Hi-Intensity Ignition System Analog Pressure Gauge these bearing spacers allow you

these bearing spacers allow you to install Chevrolet 350 crankshafts into a Chevrolet 400 block

8 AN Female O-Ring Outlet

1/2" Rear Lift

600 in Head

F.A.S.T Hi-Intensity Ignition System Analog Pressure Gauge these bearing spacers allow youEliminates Points Bounce Faster Start Up Crisper Throttle Response 6 to 18 Volts, reverse polarity protected, positive or negative ground Converts points type distributors to electronic ignition Increased timing accuracy All new status LED light for easy diagnostics Fully potted for protection from dirt, moisture and vibration Optical trigger for precise ignition timing More powerful signal than points type ignition For 1975 and earlier vehicles 50