Our 6.2L LS3 made 608.9 HP and 532.3 TQ on the engine dyno with the additon of our PRC LS3 260cc heads for a gain of 32 HP and 26 TQ from heads only! This is using a factory LS3 short-block with the following parts: *PRC 260cc LS3 Heads *TSP Stage 4 LS3 Camshaft *Fast 102mm Intake *102mm Throttle Body | Texas Speed & Performance
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Our 6.2L LS3 made 608.9 HP and 532.3 TQ on the engine dyno with …
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