PRC 2014+ 5.3L L83 CNC Ported Cylinder Heads


Model Number: 199-LT1GM53
Precision Race Components

Precision Race Components is proud to introduce our CNC ported 5.3L L83 cylinder heads! The PRC ported gen 5 L83 cylinder heads are an excellent upgrade for customers looking for more power than what the factory castings offer. Bolt on these CNC ported L83 heads & gain 25+ HP depending on milling! Pair our ported cylinder heads up with a TSP L83 truck camshaft that was designed on our SuperFlow engine dyno and our TSP stainless steel long tube headers and y-pipe maximum power! Ask your sales professional how you can gain 100+ HP today!

This package will include the following:

CNC Ported GM Castings

CNC Valve Job

CNC Custom Milling To Your Specs

TSP Dual Spring Kits Available with PAC Racing Valve Springs & Titanium Retainers

These CNC Ported heads offer unmatched power & flow gains for your L83 engine! If you already have a pair of stock castings & want to do a CNC head exchange, give us a call! We do stock the ported L83 cylinder heads.


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SKU: 199-LT1GM53 Category: