Brian Crower Crankshaft 86.4mm Stroke 4340 Billet Unbalanced | 2003 - 2006 Nissan 350Z (BC5225U)

The Brian Crower Crankshaft 86.4mm Stroke 4340 Billet Unbalanced is a high-performance engine component designed for Nissan 350Z models from 2003 to 2006. Crafted from 4340 billet steel, this crankshaft features an 86.4mm stroke, providing increased displacement and torque for enhanced engine performance. Its unbalanced design is optimized for racing and high-power applications, ensuring durability and reliability under demanding conditions. The billet construction offers superior strength and resistance to fatigue, making it suitable for high RPM operation and forced induction setups. This crankshaft is engineered to deliver consistent power delivery and improved engine responsiveness, making it an ideal upgrade for enthusiasts seeking to maximize their vehicle’s potential.

Designed specifically for 2003–2006 Nissan 350Z models, this crankshaft is a direct replacement for stock components, fitting engines with the same bore and stroke specifications. It is intended for use in performance builds, including street, track, and drag applications, where durability and power are priorities. Installation is straightforward for experienced mechanics or tuners familiar with engine assembly. The kit includes the crankshaft itself, with no additional components specified. Proper fitment requires compatibility with the vehicle’s engine configuration, and it is recommended for use in high-performance or modified engines aiming for increased horsepower and torque output.