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What Head Is A 12G938 Head


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#46 MRA

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Posted 12 February 2013 - 10:44 AM

Im not sure what your strange statement is suposed to mean, but just to clarify....

Leyland & Rover drawings clearly state the head thickness as 2.75"

With a tolerance of +0.0" -1/64th

2.75" = 69.850mm
1/64 = 0.397mm

Therefore a standard head will be between the following

Min = 69.453mm
Max = 69.850mm

Anything less than this ..... and its been skimmed

#47 MRA

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Posted 12 February 2013 - 10:47 AM

That will explain that, I knew you knew as Ive seen you mention it before... LOL




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