Gaskets and Seals

GST seals

One-Piece Rear Main Seals for Big Block Chevys

September 2, 2016 @ 5:27 pm
by Administrator
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Rear main seal leakage remains a problem on engines that still use 2-piece rear main seals. We all know the time honored method of offsetting the seal parting lines so they do not match the main cap to block interface...