Blue Oval Performance store: , ,

Trick Flow GenX® 185 cylinder heads for naturally aspirated GM LT1 engines retain the factory compression ratio and have standard resolution CNC profiled combustion chambers to amplify performance. The valve angles were reduced to 21° from stock to increase piston-to-valve clearance and unshroud the chambers for better airflow. Power-building Fast As Cast® runners duplicate the profiles of fully CNC-ported heads, resulting in high airflow rates without costly CNC-porting. These heads retain the use of all stock sensors and fittings. Cylinder heads are available fully assembled or as bare castings. 1992-97 Chevy small block Gen II (LT-based engines) 5.7L/350




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