I have used ICONs and Autotechs from PK. My understanding is the Autotechs are all 4032's while the Racetech's are 2618. No issues with either ICON or Autotech. Both were accurately machined and my current Autotech's are doing just fine. Thanks PK!
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71 Formula 433, Splayed cap 400 block, 4" stroke Scat forged crank, 6.8 Eagle rods, custom Autotec pistons. SD 295 KRE D ports, Old faithful hybrid roller, Torker II, Holley Sniper Stealth, Tribal Tubes, TKO 600, 3.73 Eaton posi.
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