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By Manley Performance

Manley GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem

$514.07
$685.43 $514.07
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SKU: MAN11609-8
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$514.07
$685.43 $514.07
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.