Pay in 4 interest-free payments of $562.50 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Cylinder Heads of your choice
1600hp Extreme RPM CCW Crankshaft with welded reluctor wheel(Dry or Wet Sump)
and exceptional value
Keeps heat inside the turbo (where it belongs)
ARP Pro Series kits are also available with 12-point nuts
Big Bore, Sleeved, Aluminum LS Engine Block 388 LS Engine Cylinder Heads of your choiceBoostline Performance proudly introduces our premium line of aluminum GM engine blocks precision engineered for serious performance builders who demand reliability under extreme conditions. Each block starts with a seasoned GM Gen 4 aluminum foundation, then undergoes our proprietary machining process on state of the art Rottler CNC equipment. These blocks get fully machined for Darton sleeves at our facility using seasoned GM Gen 4 aluminum blocks on
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