LS Engine Hose Fitting and Bolt Thread Size Guide

We’ve started this guide to capture common thread and fitting sizes on the GM LS1, LS2 and LS3 engine series. If you can help fill it in please contact us.

FittingThread Size
LS Oil FeedM16 x 1.5
LS Thread and Fitting Guide

Electrical Connectors

Part Connector
LS Connectors

If you have any others to add, please contact us!

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