This is the crank we use when going after BIG POWER.
Callies Ultra billets are machined from Premium Grade (Para-Pure) Timken alloy steel. From the raw materials, through the foundry to Callies plant in Fostoria Ohio, these crankshafts are 100% MADE in USA. This high quality Timken steel alloy has been formulated to create a level of toughness that is unmatched in the crankshaft industry. The fully counter-weighted design and heat treatments further increase the torque these cranks can handle.
Each Ultra billet crankshaft is uniquely machined with Ultra-Shed counterweight profiles. The Ultra-Shed leading edge profile gently moves oil away from the oncoming counterweight while the directional trailing edge directs oil away from the oncoming rod journal. Callies' Aero-Shed super finish will gives a crankshaft that is totally stress-riser free and incredibly aero efficient. When the Ultra-Shed and Aero-Shed processes are combined, the result is a crankshaft with the lowest coefficient of drag in the industry.
Our part number BRE007749 as shown features - 2.750 Mains, 4.000" Stroke, 6.000 Rod, 2.100 Pins and no reluctor wheel. It is intended for use with builds using the Dart LS Next2 block which uses Ford Cleveland style mains.
This is a custom crank which can be configured to your specific needs. We'd be happy to discuss your requirements in order to get you exactly what you need and want. That can be just the crank, a rotating assembly, complete engine build and everything in between. Call us at 815-725-2727 to get one of these beautiful pieces heading your way.