E-Type Series I 3.8 Early Cylinder Head - USED - R21XXX

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Head Information
Engine:
R21XXX
Part #:
C14957
Foundry #:
WM7286
Foundry:
WM
Head #:
D164
Type:
A
Vehicle:
E-Type S1 3.8


Early E-Type Series I 3.8 used cylinder head. The head is in great condition and is a perfect candidate for a rebuild. Head has most of the pumpkin coloring left intact. The head is stamped and the number is available. We believe this head was manufactured between late October to early November of 1961. Serious inquires only, please. This is an "A" head. 

 

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About early 3.8L E-Type cylinder heads:

During 3.8L E-Type production, cylinder heads carried a part number of C14957 which was also used for all XK150S with electrical tachometer drives. Early 3.8 heads feature a painted "pumpkin" color which was used as late as engine number R25XX. Later heads carried a brassy paint instead of pumpkin.

A type letter of either A or Z is cast into the valley between the two cams at the top of the head.  It is unknown what this letter specifically stands for however, there appears to be some correlation of A-heads being cast at William Mills (WM) and Z-heads being cast at West Yorkshire Foundry (WYF.) Interestingly, the sequence of head number stampings at the rear of the valley appear to not deviate based on foundry as it is believed these stamps were made after casting at the Jaguar factory.

(Reference: Jaguar E-Type Six-Cylinder Originality Guide by Dr. Thomas F. Haddock and Dr. Michael C. Mueller)

Cylinder Head Infographic

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E-Type - S1 3.8 - Roadster (1961-1964)
E-Type - S1 3.8 - FHC (1961-1964)