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heads

  1. Engine Mods
    I recently purchased 6.0 short block from Thompson Motorsports with cam package. I have 243 heads, my original thought was to port and polish the heads by them for $850. I've read that ls3 heads will give the same gains has porting 243 heads. Now I'm debating if I should port the heads or sell...
  2. CTS-V Parts For Sale
    100% stock Heads 15k on them. Offers?
  3. CTS-V WTB Items
    If you have a ported set of LSA Heads, I'm interested. Would like to know who ported them and if possible, flow numbers.
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