

Specifications
- Brand
- Brian Crower
- Part #
- BC5239LW

Brian Crower Light Weight Crankshaft - Nissan RB26/RB25 79mm Stroke 4340 Billet
$5252.10
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Brian Crower Light Weight Crankshaft - Nissan RB26/RB25 79mm Stroke 4340 Billet
Key Features
- Fits Nissan RB26 and RB25 engines.
- Features a 79mm stroke for increased displacement.
- Constructed from strong 4340 billet steel for durability.
- Lightweight design improves engine response and rev speed.
- Designed as a direct replacement for the factory crankshaft.
Product Details
Brian Crower's lightweight crankshaft for your Nissan RB26 or RB25 engine is a substantial upgrade for builds focused on high performance and quick engine response. This crankshaft features a 79mm stroke, which is a common choice for enthusiasts looking to increase displacement while maintaining good rod angle. It's forged from 4340 billet steel, a strong material known for its durability under high stress, making it a solid foundation for a performance engine.
The 'lightweight' designation comes from Brian Crower's focus on balancing strength with reduced rotational mass. Less weight in the crankshaft means the engine can rev up faster, improving throttle response and overall agility. This is particularly beneficial in racing applications or for street cars where a snappier feel is desired. The 4340 billet construction ensures it can handle the demands of boosted applications and aggressive tuning. This part is designed to be a direct replacement for the factory crankshaft, simplifying installation into your existing RB block.
When building a performance engine, the crankshaft is a critical component. Brian Crower is a well-known name in the performance parts world, and this crankshaft is built to their standards. It's important to ensure all supporting components, such as bearings, pistons, and connecting rods, are compatible and properly balanced with the new crankshaft for optimal performance and longevity. Refer to the manufacturer's installation instructions for detailed guidance on assembly and balancing procedures.
Specifications
- Brand
- Brian Crower
- Manufacturer Part #
- BC5239LW
Frequently Asked Questions
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Brian Crower Light Weight Crankshaft - Nissan RB26/RB25 79mm Stroke 4340 Billet




