Big Bore, Sleeved, Aluminum LS Engine Block 388 LS Engine 32 fl oz can

32 fl oz can

1600hp Extreme RPM CCW Crankshaft with welded reluctor wheel(Dry or Wet Sump)

ARP Pro Series kits are also available with 12-point nuts

and exceptional value

Boostline valve covers retain stock mounting height and allow the use of OE style GM gaskets and bolts

Big Bore, Sleeved, Aluminum LS Engine Block 388 LS Engine 32 fl oz canBoostline 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