Availability
Fleece Performance introduces the Freedom Series cylinder heads for 6.6L Duramax engines, found in many Chevy and GMC trucks from 2001 and up. Each cylinder head is manufactured in-house at the state-of-the-art Freedom Racing Engine Shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Available with new or remanufactured casting.
Not Yet Reviewed
$1,099.00
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$2,949.00
Fleece Performance rear engine cover coolant return plugs add a finishing touch under the hood of your truck, such as when you're installing an aftermarket turbo. Machined from 6061 aluminum, the plugs feature an anodized black finish and are laser-etched with the Fleece "F." A high-temperature silicone O-ring is included to prevent leaks. Order the plug recommended for fitment on your vehicle.
Not Yet Reviewed
$19.99
When replacing the stock VGT turbo on your 6.7L Cummins with a non-water-cooled turbo, these delete plugs from Fleece Performance are a must. They conveniently fit the stock coolant feed from the riser block and coolant return on the firewall. Kit includes: * Two 16mm Allen head port plugs * One 18mm Allen head port plug
Not Yet Reviewed
$29.95
Fleece Performance Freedom Series Cummins cylinder heads are offered in Street, Street-HD, and Performance versions. Each cylinder head is manufactured in Fleece's 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. All versions include hardened, oversized press-in valve seats, new valve guide liners, and 11 screw-in freeze plugs to ensure you'll never worry about a coolant leak under the valve cover again! Choose the remanufactured version designed for your Cummins engine. Street and Street-HD versions also feature: * Perfect for a daily driver or heavy-duty towing * Rated for use up to 700 hp * Street: -- New Cummins valve springs * Street-HD -- New heavy-duty Fleece 105# valve springs -- Tool steel retainers Performance versions also feature: * Whether you are sled pulling, drag racing, or just looking for extra power when towing Fleece's Performance heads will get you the power you need * Rated up to 1,100hp * Fire ring the cylinder head (all in the head) * Manley 1.300 in. stainless valves * 105 valve springs and steel retainers * Fire ring gasket kit with multi-layer steel gasket * 4.550 in. diameter rings
Not Yet Reviewed
$1,749.00
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$2,599.00
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