Cummins

Want more reliability and a remanufactured cylinder head you can trust? Our Freedom Series Street heads will give new life to your engine. Each 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!

Cylinder Heads :

Cummins 6.7L Street

Perfect for a daily driver, our Street head is rated for use up to 700hp. If your engine configuration is exceeding factory RPM limits a Street HD or Performance Series head with higher valve spring rates is required.

Freedom Series Street heads Include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New Cummins valve springs
New valve guide liners

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 6.7L Street HD

Perfect for a daily driver or heavy duty towing, our Heavy Duty Street head is rated for use up to 700hp.

Freedom Series Heavy Duty Street heads Include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New heavy duty Fleece 105# valve springs
Tool steel retainers
New valve guide liners

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 6.7L Performance Street

Looking to get more out of your 6.7L Cummins? Our Freedom Series Performance cylinder head includes larger Manley valves, 105lb valve springs, and is rated up to 1,100hp!. Whether you are sled pulling, drag racing, or just looking for extra power when towing, our Performance head will get you the power you need.

Freedom Series Performance heads Include:

Fire ring the cylinder head (All in the head)
11 screw in freeze plugs (eliminates coolant leaks)
Hardened, oversized press in valve seats
New valve guide liners
Manley 1.380" stainless valves
New heavy duty Fleece 105# valve springs
Tool steel retainers
Fire ring gasket kit with multi-layer steel gasket and 4.550" diameter rings

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 5.9L Street

Freedom Series Street heads Include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New Cummins valve springs
New valve guide liners

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 5.9L Street HD

Perfect for a daily driver or heavy duty towing, our Heavy Duty Street head is rated for use up to 700hp.

Freedom Series Heavy Duty Street heads Include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New heavy duty Fleece 105# valve springs
Tool steel retainers
New valve guide liners

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 5.9L Performance Street

Looking to get more out of your 5.9L Cummins? Our Freedom Series Performance cylinder head includes larger Manley valves, 105lb valve springs, and is rated up to 1,100hp! Whether you are sled pulling, drag racing, or just looking for extra power when towing, our Performance head will get you the power you need.

Freedom Series Performance heads Include:

Fire ring the cylinder head (All in the head)
11 screw in freeze plugs (eliminates coolant leaks)
Hardened, oversized press in valve seats
New valve guide liners
Manley 1.300" stainless valves
New heavy duty Fleece 105# valve springs
Tool Steel Retainers
Fire ring gasket kit with multi-layer steel gasket and 4.550" diameter rings

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Cummins 5.9L VP 98-02 Street

Perfect for a daily driver, our Street head is rated for use up to 700hp.

Freedom Series Street heads Include:

11 Screw in Freeze Plugs (eliminates coolant leaks)
Hardened, oversized press-in valve seats
New Cummins valve springs
New valve guide liners

Our cylinder heads are sold exclusively through Fleece Performance Engineering as well as wholesalers and dealers nationwide.

Short Blocks:

5.9L / 6.7L Street and Performance Street

Our Freedom Series Cummins short blocks follow our winning recipe of product combinations and engine specifications that meet or exceed factory performance. Our blocks are bored, honed, decked, and blue printed. They feature new main and rod bearings, new oil pump and cooler, new tappets, new main studs along with new gaskets and seals. Inspected and qualified crankshafts and cams are mated with Carrillo rods and new Mahle pistons and rings.

For detailed specifications or to learn more, contact us at 317-858-9937 or sales@freedomracingengines.com for pricing and availability.

Long Blocks:

Combine our Freedom Series Cummins short blocks and cylinder heads along with bolt-on Fleece components for an engine that will get you on the podium. For detailed specifications or to learn more, contact us at 317-858-9937 or sales@freedomracingengines.com for pricing and availability.