Moroso 22842 Enhanced Design 4-Vane Vacuum Pump

The Moroso 22842 Enhanced Design 4-Vane Vacuum Pump is engineered to remove air, blow-by gases, and contaminants from the crankcase, creating engine vacuum that increases horsepower. By enabling the use of low-tension compression and oil control rings, this vacuum pump reduces frictional losses, minimizes blow-by and intake charge contamination, and helps prevent detonation.

Enhanced Design Features:

• Pulls 13.9% more vacuum compared to original design pumps
• Achieves greater vacuum levels sooner for improved performance
• 4-vane design weighs less than original style pumps
• Designed with maintenance-free precision sealed roller bearings
• Natural aluminum finish designed to be polished, with interior hard coated for wear resistance
• Versatile billet aluminum construction suitable for wet or dry-sump applications
• Completely rebuildable design for long-term serviceability

Kit Includes:

• Versatile mounting bracket
• -12AN fittings

This vacuum pump is ideal for racers seeking maximum crankcase evacuation with minimal maintenance. The enhanced vane design and sealed bearings deliver reliable performance across virtually any engine combination, from street/strip applications to serious competition use.