This naturally aspirated 4.6L V8 engine, marked by the 8th VIN digit 'S' and equipped with the L37 option, offers enhanced performance features as a used engine. With multi-port fuel injection, it ensures efficient combustion, while the V8 setup provides stable power. The SOHC timing system promotes consistent operation, making this used engine a reliable choice for users seeking additional features associated with the L37 option.