Get the most out of your GM LT1 with Trick Flow's 430 HP GenX® Top-End Engine Kits. These kits are carefully tuned to deliver the right amount of horsepower and torque. Take the time and guesswork out of designing a winning combination and save some hard-earned cash. GenX® Top-End Kits for GM LT1 feature Trick Flow's GenX® 185 heads to deliver increased power on naturally aspirated engines. These heads feature 54cc CNC-profiled and bowl-blended combustion chambers and Fast As Cast runners (185cc intake/67cc exhaust). You also get a hydraulic roller camshaft, pushrod length checker, roller rocker arms, head bolts, and a gasket set.

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