The ZRP stroker crankshaft for Honda F20 increases the capacity to 2.3L (87.0mm x 96.5mm). This 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 Honda crankshaft is fully balanced to 1gr.cm /- 0.1 using state of the art Sunnen machines, balance results report included. Check the individual features for your application below.
Product Features and Design
Knife edged profiled counterweights to reduce weight and increase crankshaft aerodynamics.
Drilled rod journals for weight reduction.
“High-Speed” oiling system for better lubrication.
Chamfered oil holes
Journal radius disperse load stress.
Tapered rod journals for weight reduction.
Technical Features of ZRP Crankshafts
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
F20C
Application
2.0L F20
Notes
Stroker Crankshaft
Weight Gr.
16,100
Stroke
96.50mm
Main Journal
55.00mm
Rod Journal
48.00mm
Weight
16,100
Crank Grade
4340 Billet
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