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3.50" stroke x 5.700" rod with 2.100: pin for 2-pc RMS.
The Scat F43 series crankshafts come with straight shot and chamfered oil holes with profiled and under-cut counterweights. The Nitride hardener for superior wear resistance, and gun-drilled main line hole for lightening and equalization of crankcase pressure are all improvments in the F43. Approximate weight is 44 to 45 lbs.
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