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2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
$2,445.00
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PRC 2014+ 5.3L L83 CNC Ported Cylinder Heads
[199-LT1GM53]


$1,450.00
   Manufacturer:Precision Race Components
   Description: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.

   Available Options: Valve Springs:
This product was added to our catalog on Friday 17 February, 2017.
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