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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
Includes two stainless steel band clamps
Dual Fueler Kit
these heads provide increased horsepower and torque without sacrificing reliability
We observed up to 40°F temperature drop with a PPE cooler installed
The OEM Duramax cast-aluminum cylinder heads fall short over time - the differing heat expansion rates between the cast-iron engine block and cast-aluminum cylinder head cause head gasket scrubbing and eventually blown head gaskets
1/2 Inch NPT to -10AN Male Fleece Performance Exhaust|Performance Includes two stainless steel bandFleece Performance 1 2 inch NPT to 10AN Male Aluminum fitting in black anodized finish. 1 2 inch NPT to 10AN Male
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