Duramax 12mm CP3 L5P Customer is responsible for testing

Customer is responsible for testing charges on unwarrantable hardware

Includes Mass Air Flow Mount and Filter Minder Port

They displace 400cc of fuel and are all a single shot style hybrid injector

590 mm3 /rev displacement

The smaller nozzle will help with your towing ability and keeping your EGT’s down while the 30% would be better for top end power

Duramax 12mm CP3 L5P Customer is responsible for testingDuramax SuperSport CP3 New (higher output >3,500 rpm) Duramax 10mm CP3 New (1,325 mm3 rev displacement)Duramax 10mm High Speed CP3 New (1,325 mm3 rev displacement, high speed optimized) Duramax 12mm CP3 New (1,590 mm3 rev displacement)Duramax 12mm High Speed CP3 New (1,590 mm3 rev displacement, high speed optimized)Duramax 12mm High Speed CP3 New (1,590 mm3 rev displacement, high speed optimized) with SP3000 Supply Pump Duramax 14mm CP3 New (1,850 mm3