The LB300 series is the ultimate turbo for drop in style Duramax trucks equipped with the LB7. These turbos can also be retrofitted to work on the later LLY-LMM engines. The LB300 uses factor LB7 compressor cover and turbine housing for easy installation but is equipped with a S300SXE center cartridge and wheels for the ultimate in durability and performance.
The LB300-63 features a FMW 62.99 compressor wheel paired with choice of 68 or 73mm turbine wheel. All LB300s come standard with a 360 thrust system. The 63mm is capable of moving enough air for 700hp