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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Trick Flow Cylinder Head, GenX 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 450 Lb. Springs, GM LSX, Each

Trick Flow Cylinder Head, GenX 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 450 Lb. Springs, GM LSX, Each

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