Chevrolet Performance LS3/L92 Bare Engine Block Use only LS1, LS6, LS2, L92/LS3-style cylinder heads 4.065” finished bored (103.25 mm) Provisions for Active Fuel Management Great for stroker cranks for even more cubes Tested to 500+ horsepower Forged powdered metal 6-bolt main bearing caps 9.240” deck height Production aluminum block with iron sleeves...