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LS3 VS LS7 Cylinder Heads: A Complete Guide on Choosing ...
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Web2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back. thanks for the info, im also in for the budget as opposed to lower et's, … WebPrecision Race Components L92/LS3 64-72cc Stage 2.5 Cylinder Heads Fully CNC Ported & Assembled With Factory GM 2.165" Intake Valves and 1.59" Exhaust Valves, TSP … WebAll Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology. PRC's stage 2.5 6.0L Cylinder Heads come standard … round prometheus