THIS HOUSING DOES NT INCLUDE THE FLYWHEEL. FLYWHEEL CHOICES: BRI 79070..CHEVY STEEL HTD BRI 79084..CHEVY ALUM HTD BRI 79073..FORD STEEL HTD BRI 79087..FORD ALUM HTD ** MUST BE USED WITH AN OIL PUMP DESIGNED FOR LH ENGINE USE (WILL NT WORK WITH BERT/BRINN BRACKETS) OTHER COMPONENTS: PTR05-1340..OIL PUMP PULLEY (40TOOTH HTD) PTR05-1906..HTD BELT 720MM