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Manley Pro Series Crankshafts

Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.

4.89 out of 5 stars ( 9 )

$1,042.34

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$1,269.68

Scat Forged Pro Series Big Block Post Crankshafts

Using only state-of-the-art equipment and advanced techniques, Scat is able to offer the automotive aftermarket World Class, race proven forged and billet crankshafts including the Pro Series big block post crankshafts. These Scat crankshafts are machined in-house using premium non-twist single plane 4340 forgings. Each Pro Series big block post crankshaft is skillfully machined, precision finished, ion-nitrided and also heat-treated for superior quality, extreme strength, and durability, and fully customized to your needs. Order the crankshaft designed for your application needs. Product features and details: * Manufactured from non-twist single plane 4340 forgings * Precision ground, heat-treated and Nitrided for superior wear-resistance * Straight shot and chamfered oil holes * Large radius on all journals * Lightening holes in all rod journals * Aero Wing counterweights * All popular engines, strokes, and rod sizes

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$1,034.99

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