Quote:
Originally Posted by Douglas Willinger
How many sets of Ram Air II cylinder heads?
Casting dates?
Original production and Service Replacements?
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The known casting dates for the II heads are as follows:
C118 - also known as the missing casting date or on angle above spark plug - no 96 on center ports.
D228 - no 96 on center ports until night shift castings.
D238 - has 96 on center ports (all after this date do as well)
F138
F158
F198
A099 - definitely service replacement heads
A209
A229
A239