Fleece Performance and Freedom Racing bring you a remanufactured cylinder head built specifically for the 2003–2007 common rail 5.9L Cummins. Every head is inspected, pressure checked, decked, painted, and ready for installation. Rated for 700 HP and ready to bolt on.

The Heavy Duty Street head steps up from the standard Street build with Fleece 105 valve springs and heavy duty tool steel retainers for long-term durability under sustained high-performance use. All street heads come standard with 11 screw-in freeze plugs to eliminate coolant leaks, oversized and hardened valve seats, new Cummins valve springs, and new valve guide liners.

Heavy Duty Street features: 11 screw-in freeze plugs, oversized and hardened valve seats, new Cummins valve springs, new valve guide liners, Fleece 105 valve springs, heavy duty tool steel retainers, 700 HP rating, fully inspected and pressure checked, decked and painted, bolt-on ready.

Core charge: A $500 core charge applies to this order. This amount will be refunded once Fleece Performance receives your core cylinder head and it is marked as a good core.

Shipping: Flat rate of $200 to all lower 48 states. Contact us for a shipping quote outside the contiguous US.