Trick Flow Power Port Cylinder Head - Assembled - 2.020/1.570 in Valves - 190 cc Intake - 60 cc Chamber - 1.560 in Springs - Small Block Mopar Vise Insert The 717-15 levels the throttle

The 717-15 levels the throttle body for these swap applications without changing the flow the GM design intended

Chevrolet: Corvette 98 - 04 5

so we felt that to be fair

Square Bore

Trick Flow Power Port Cylinder Head - Assembled - 2.020/1.570 in Valves - 190 cc Intake - 60 cc Chamber - 1.560 in Springs - Small Block Mopar Vise Insert The 717-15 levels the throttleProduct Description: Cylinder Head Power Port Assembled 2. 020 1. 570 in Valves 190 cc Intake 60 cc Chamber 1. 560 in Springs Aluminum Small Block Mopar Sold Individually Trick Flow built their reputation on designing and producing power boosting aluminum cylinder heads for high performance engines, and have grown to offer a full range of performance parts and bolt on kits for nearly every aspect of the engine and drivetrain.