MSD Magnetic Crank Trigger Pickup - 3/4-16" Thread - Hall Effect Sensor MBCSE GM gradually added roller camshafts

GM gradually added roller camshafts to 305's and 350's from the mid 80's forward

racing is still a dangerous sport

We recommend that you follow the oil and filter change frequencies shown in your owner's manual

all necessary hardware

MSD Magnetic Crank Trigger Pickup - 3/4-16" Thread - Hall Effect Sensor MBCSE GM gradually added roller camshaftsPN 8278 is the replacement Hall Effect Sensor for flying magnet crank trigger setups using a 3 4 16" threaded. This sensor is a Hall Effect sensor, meaning it outputs a square wave signal, which is ideal for use with most Electronic Fuel Injection Systems. This sensor is to only be used with a trigger wheel with "flying magnets". It does not detect a ferrous steel target. Features: Most accurate way to trigger your electronic fuel injection (EFI)3