LS 427CI 635HP Big Bore Crate Engine

Our big bore LS 427CI 635HP performance engine package is designed to out perform GM’s LS7 Corvette crate engine. This build features an aftermarket 4 bolt splayed main aluminum block along with other higher quality parts from the ground up at a reasonable cost. Some of this engines main features include an aftermarket aluminum block, completely forged bottom end, custom ground hydraulic roller camshaft, performance LS3/L92 cylinder heads, roller rocker arms and a muscle car oil pan designed to fit almost every application. We can also assist you in picking out the correct motor mount and header combination that will fit your hot rod, as well as a complete serpentine pulley kit and transmission.