Make your own machine keys with ATI Performance Products' heat-treated 8630 alloy steel. These key stocks feature 112,000 psi tensile strength.

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MANLEY Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, SBC 350, Each

MANLEY Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, SBC 350, Each

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