Ls2 Engine
Ls2 Engine
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Valve sizes are 2.16-in intake and 1.59-in exhaust. We had heard rumors that they flow 330 cfm out of the gate and over 360 cfm with only a valve job. Sold complete from GM Performance Parts as PN 12582713, they go out the door complete for less than $1,000 a pair! View Related Article
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