The ZRP crankshaft for Cosworth is manufactured from aerospace grade 4340 solid billet steel and no compromises have been made to the quality of the material, in order to ensure the best possible product. This crankshaft designed carefully from our vast experience, to provide the best possible engine performance and the production process consist of very strict inspections to ensure that they have the best quality and tight tolerances for perfect fitment.
The Ford crankshaft is fully balanced to 1gr.cm /- 0.1 using state of the art Sunnen machines. Balance results report included.
Product Features and Design
Aero-Wing counterweights for reduced windage to increase horsepower
Undercut profiled counterweights to minimize weight and reduce rotating mass.
Cross Drilled lubrication system
Chamfered oil holes
Journal radius disperse load stress.
Tapered rod journals for weight reduction.
Technical Features
Full CNC machining.
ION (Plasma) Nitride process for hardening.
Multi Stage Heat Treatment.
Shot peening for stress release.
100% Magna-fluxing for flawless surface finish.
Heat treatment for superior wear resistance.
Micro-polishing for longer bearing life.
Sonic tested and X-rayed to ensure a reliable end product. Engine Nr
N5B
Application
2.0L YB / 5NB
Notes
Std Stroke
Weight Gr.
18,500
Stroke
77.00mm
Main Journal
56.99mm
Rod Journal
51.99mm
Weight
18,500
Crank Grade
4340 Billet
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