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  1. Parts for sale
    I am selling a like new set of LS3 PRC Heads from Texas Speed Performance at a very discounted price. They come fully assembled with brand new upgraded pushrods, valves and trunions. These heads have been known for making over 700hp on a naturally aspirated LS3 (with supporting mods) and they...
  2. LS1/LS2 Engine Tech
    I have a set of prc heads coming in this week. And I got a set of TD machine ls1,6 roller rockers. The prc description says factory rocker friendly. But TD machine is saying that the prc heads are completely different from factory. I’m thinking he could possibly be mistake for the 13 degree...
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