Fleece Performance is an aftermarket company established in 2008 in North Salem, IN, by Brayden and Chase Fleece. The company is known for manufacturing performance parts for various diesel engines. Today, Fleece Performance is the leading brand in the market when it comes to diesel aftermarket parts.

Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again. Perfect for a daily driver or heavy duty towing, our Street heads are rated for use up to 700hp.

Features:

• 11 Screw in Freeze Plugs (eliminates coolant leaks)
• Hardened, oversized press-in valve seats
• New Cummins valve springs
• New valve guide liners
• No core charge or core to return!
• 1 Year Limited Parts Warranty

Notes:

• Head gasket not included. We recommend the use of Cummins 3977063 head gasket.
• Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.
• When utilizing aftermarket head studs, lower rocker box cover modifications are required.
• ALL CUMMINS CYLINDER HEADS SHIP GROUND FREIGHT. BASED ON YOUR LOCATION THE SHIPPING TIME IS TYPICALLY 3-5 DAYS BUSINESS DAYS.

Install Instructions:

• For Instructions CLICK HERE
• For ARP Method Instruction CLICK HERE