Key Features:

• The QSL comes with a torque rise of up to 50% and 1150 lb-ft of peak torque Extra pulling power in the field 
• Combination of 24 valves for better "breathing"
• Patented high-pressure common rail system with centered fuel injectors
• Holset wastegated turbocharger gives the QSL responsiveness power across the engine speed range
• QSL is completely rebuildable
• Integrated block design yelds high reliability
• Low maintenance filters and extended oil drain intervals mean less downtime.