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Building or rebuilding an LS3 engine?

These Speedmaster stainless steel intake valves are what you need.

They're standard size (STD) with a 2.160 inch head diameter and an 8mm stem.

They're brand new and made of stainless steel for durability and performance.

The manufacturer part number is PCE273.1032, and they also cross-reference to PC4334-8.

They're for Chevy LS3 applications.

There's a Prop 65 warning for California, as with many engine parts.

4 out of 5