Description
Part Number: BC5235
Brian Crower 4340 Billet Steel Crankshaft (73.7mm Stroke) – Nissan RB25 / RB26
Engineered for high-horsepower motorsport applications, the Brian Crower BC5235 4340 billet crankshaft delivers exceptional rotational rigidity, strength, and oil management for Nissan RB25DET and RB26DETT engines.
Key Features
- ☑ Precision machined from aerospace-grade 4340 billet steel alloy
- ☑ Multi-stage heat treatment: stress relieved, shot peened, magnaflux inspected, and nitrided
- ☑ Fully profiled counterweights designed to reduce windage and oil drag in the crankcase
- ☑ Standard 73.7mm stroke suitable for high-revving motorsport builds
- ☑ CNC machined on 5-axis Mazak Integrex systems to sub-micron tolerances
Technical Specifications
| Manufacturer | Brian Crower (BC) |
|---|---|
| Part Number | BC5235 |
| Engine Compatibility | Nissan RB25DE / RB25DET / RB26DETT |
| Material | 4340 Billet Steel |
| Stroke | 73.7mm |
| Rod Journal Diameter | 48mm |
| Surface Treatment | Multi-Step Nitrided & Shot Peened |
What’s Included in the Box
- 1x Brian Crower BC5235 4340 Billet Steel Crankshaft (73.7mm Stroke)
- Manufacturer Quality & Inspection Certificate
As an authorized UK distributor of Brian Crower performance parts, JP Racing provides genuine motorsport components backed by swift UK dispatch and technical customer guidance. Upgrade your Nissan RB build with complete confidence.




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