Spool Nissan RB26 - RB29 Stroker Crankshaft EN40B

Upgrade your Nissan RB26 engine with the Spool RB29 Full Counterweight EN40B Billet Crankshaft, designed for performance enthusiasts seeking enhanced power and torque. This precision-engineered crankshaft features a 79mm stroke, offering significant improvements in engine capacity and performance.

Crafted from high-quality Billet EN40B core stock, this crankshaft is not a mere cast forging blank. Each unit is meticulously machined on a CNC machine, followed by a nitriding process and final grinding to ensure superior strength and durability.

• 79mm stroke for increased cubic capacity
• Constructed from Billet EN40B core stock
• Precision CNC machined for optimal performance
• Nitrided and final ground for enhanced durability
• Boosts torque and low to mid-range power
• Enables earlier boost onset and increased peak power

Experience the difference with the Spool RB29 Stroker Crankshaft, engineered to deliver exceptional performance and reliability for your Nissan RB26 engine.

Engine build fitment

RB25|RB26. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.

Installation and BBT workshop support

Measure journal and thrust clearances, check block clearance and balance the complete rotating assembly. Confirm the damper, crank trigger and flywheel arrangement with your engine builder.

Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.