Lingenfelter offers our complete line of Precision Built engine assemblies in LS1, LS2, LS3, LS6, LS7, LSA, LS9 & LSX configurations. All of the Lingenfelter Precision Built engine assemblies are machined and built in house to allow LPE to control every aspect of the build process. This procedure allows LPE to produce a premium quality engine assembly for your next vehicle project. Lingenfelter offers a choice of low compression for supercharged or turbocharged use or high compression ...