Datsun SRL311 Cylinder Head from Rallye Enterprises, Ltd.

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USED 2000 CYLINDER HEAD #DU11-18
Head has about .020-.025" crown to take out of top middle. Cutter should be stopped before it reaches the ends of the head; so the area under the end towers are only skimmed.

Looks to have about .002" or less warpage on bottom.

Average thickness at front of head is 4.457"

Average thickness at rear of head is 4.472"

Nice surfaces on cam bearings (towers) The prominent item of interest is one of the spark plug holes (#2) is threaded; or partially threaded; but huge; about .600"; like possibly it was being prepared for a thread replacement coil installation.

Has rocker pivots and pivot bushings.

DATSUN U20 USED HEADS Info
For General Info on U20 Heads click on Rebuilt Heads Info.

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Datsun SRL311 Cylinder Head from Rallye