Chevrolet 396 Cylinder Head Code - 3933148

Location

The code is found on the top of the head between
 two valves and the rocker arm studs.


Details

69 - 76   - 366T, 396/265hp, 427T, 112cc
Oval Port - Open Chamber
Intake valve opening 2.06
Exhaust valve opening 1.72
112 cc chamber

366/396 2V/427 265 Open Chamber
122cc used in cars and trucks.