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First 50-state legal grind for the GM Gen III LS1/LS3 three-bolt family of engines. Drop-in with stock components and tune can produce 30 to 90 HP increase in peak
Application Summary:
Year
Make/Model
Fits
4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)