This uncompromising combination will handle whatever boost your smaller displacement blower or turbos can offer. At the center is the proven 3.750" Callies 4340 Magnum crankshaft riding in Clevite H-Series bearings. 4.125” custom Wiseco pistons designed to handle high cylinder pressures are pinned to Callies Ultra 6.125” rods. Making use of the 6-bolt design the GM LSX block offers, the LME Black Label LS7 cylinder heads are fastened with ARP hardware.
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