Eagle 3.75 Stroke 4340 SBC Crank
Add cubic inches to your Chevrolet 350 with a new Eagle forged crank. This 3.75” stroke crank will produce 383 cu.in. with a 30 thou bored block (4.030”). 4340 forged premium quality crank for demanding applications up to 700hp. Cranks feature multi stage heat process, 100% x-rayed, magnafluxed and sonic tested, stress relieved and shot peened. Radius of .125 on rod and main journals for increased strength – requires the use of race-chamfered bearings. Chamfered oil holes, precision ground and micro-polished journals. Fits pre 1986 two-piece seal Chevrolet small block. Match with 4340 H beam rods EAGCRS5700B3D or EAGCRS6000B3D and pistons KB134, KB122, use chamfer race bearings FM8-7100CH & FM139M. Internal balance.
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