New Precision Engine Parts 4340 4.25" stroke crankshaft for 2.75" RB mains, 2.200" Chevy rod journals, Bullnose counterweights, 6-bolt flange, 6.700" minimum rod length. In a .030" over block this crank will make 505 cubic inches. With .055" over block it makes 511 cubic inches. This crank was manufactured with Big Block Chevy rod journal width to allow use of off the shelf BBC rods. Pilot drilled for automatic or manual transmission use.
Please note: Crank for a RB block and will not fit...
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Please note: Crank for a RB block and will not fit...
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