New Configurations! The Perfect Short Block Foundation For The Supercharged/Turbo LS Enthusiast! Engineered For Up To 20 lbs Of Boost.
Brand New GM LS3 Aluminum Block Combined With Your Choice Of 4340 Forged Steel Crank And 4340 Forged Steel H-Beam Rods With ARP Bolts. Forged 2618 Aluminum Pistons And Premium Rings Specifically Designed For Turbo And Boost Applications Complete This High Quality Build. Every Short Block Is Machined, Balanced, Clearanced And Hand Fitted By Our Experienced Team Of Race Engine Builders.