LT GM Iron Block Complete Engine 5.4 Short Block 6 engines are a solid

6 engines are a solid foundation to add  horsepower with reliability  to your high performance vehicle

Deck manufacturer part number 31223554

fit in house and  hand assembled as ordered to insure order accuracy

Each short block is surface prepared by steel shot

LT GM Iron Block Complete Engine 5.4 Short Block 6 engines are a solidMBRE uses GM Iron engine blocks fully blueprinted machine and balanced assemblies to build our complete engine packages please call for cubic inch and component pricing . These packages are available like our LS engines either completely assembled and dyno tested or just as complete engines . We also offer these packages in the aluminum block versions as well. Complete engines take interaction with the buyer for best results please call our office at