40--41 A heads
I'd like to talk about (A) heads 40-41-42 I have 3 heads. One matched set (81A-6049 A) ---(81A-6050 A). The 6050 heads has the hole with the ledge for the mechanical temp gauge, I believe it the left head. The 6049 heads has the 3/8 pipe thread for the heater hose nipple, I would say right head. NOW, the single heads has the nice (A) in the center but no 81A-6040 or 81A-6050, it has the 3/8 pipe thread for gauge or heater hose. SO, I guess the question is, the single head with no number, what do you think it came off and do you suppose it goes on either side? That hurts my head the first thing in the morning. Walt
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