Chevrolet Performance 19436495 - 6.6L L8T Gen V LT Cast-Iron Block

Chevrolet Performance has introduced a L8T cast-iron GEN V engine block that is very likely completely new to even the most knowledgeable enthusiast. This 6.6L production block is the foundation for your direct-injected performance engine that may see more horsepower than a lightweight aluminum block was designed for. • Direct replacement for 2020 and later L8T 6.6L gas engines used in Silverado HD trucks • Production cast-iron casting finished with 4.065’’ (103.25 mm) cylinder bores • Used with a 3.86’’ stroke crankshaft in production engines to produce 400 cu in. (6.6L) displacement — the largest displacement in the LT engine family • 9.240’’ deck height • Delivered bare with regular-production six-bolt main caps • Regular-production oiling circuit • Includes provisions for direct fuel injection