Duramax PowerFlo 750 CP3 Fleece PowerStroke Each cylinder head is manufactured

Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications

Includes 4-inch Extension Pipe and all necessary hardware

we had to upgrade that too

Denser air has more oxygen

Duramax PowerFlo 750 CP3 Fleece PowerStroke Each cylinder head is manufacturedThe Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it support 750 RWHP, but it also eliminates the factory fuel flow restiction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost