Description
Part Number: BC5239LW
Brian Crower Lightweight 4340 Billet Crankshaft – 79mm Stroke (Nissan RB25 / RB26)
Engineered to withstand extreme cylinder pressures while drastically reducing rotational inertia, the Brian Crower BC5239LW lightweight billet crankshaft delivers explosive throttle response and high-RPM stability for Nissan RB25 and RB26 engines.
Key Features
- ☑ Precision CNC-machined from high-tensile 4340 billet steel alloy
- ☑ Factory 79mm stroke suitable for high-revving track and street RB builds
- ☑ Fully profiled knife-edged counterweights reduce crankcase windage and oil resistance
- ☑ Multi-step heat treatment: stress relieved, shot peened, magnaflux inspected, and nitrided
- ☑ Standard 48mm rod journal size for seamless integration with RB connecting rods
Technical Specifications
| Manufacturer | Brian Crower |
|---|---|
| Part Number | BC5239LW |
| Engine Compatibility | Nissan RB25DET / RB26DETT |
| Material | CNC Machined 4340 Billet Steel |
| Stroke | 79mm |
| Rod Journal Diameter | 48mm |
What’s Included in the Box
- 1 x Brian Crower BC5239LW Lightweight 4340 Billet Crankshaft (79mm Stroke)
- Manufacturer Quality Control Inspection & Specification Sheet
Brian Crower is globally renowned for producing competition-grade internal engine components built to perform in extreme motorsport conditions. At JP Racing, we deliver genuine Brian Crower products with dedicated UK technical support and fast, reliable dispatch.
Reviews
There are no reviews yet.