312 mains


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By 314 - 14 Years Ago
has anybody got a 312 main cap they can give me a measurement on.i need the height at the bolt hole.i have a 256 with 3 inch main bolts and tall caps and just wanted to see if their the same or how close.
By Ted - 14 Years Ago

For the ECZ block and ECZ caps I have sitting here, the front four caps are 2.275” and the rear cap is 1.950” measured from the bolt hole boss to the mating point at the block.

By 314 - 14 Years Ago
thanks ted.these caps are 2.100 at front 4 and 2 at the back.caps are marked CECG6325A on the front 4 and the back has a 9 on the end instead of 5.