Description
Brian Crower Nissan RB30 3.21L Stroker Kit
Engineered to expand engine displacement and maximize horsepower and torque capabilities on Nissan RB30 platforms.
Product Overview
The Brian Crower BC0233 Stroker Kit increases the displacement of your Nissan RB30 engine to 3.21 litres. Designed for high-horsepower street, drag, and circuit builds, this comprehensive bottom-end package pairs a precision 4340 billet steel crankshaft featuring a 90mm stroke with heavy-duty ProHD H-beam connecting rods and custom forged pistons.
Key Features
- ☑ Increased Capacity: Expands displacement to 3.21L for improved low-end torque and peak horsepower potential.
- ☑ 4340 Billet Crankshaft: Fully CNC machined 90mm stroke billet steel crankshaft built for extreme load applications.
- ☑ ProHD Series Connecting Rods: Heavy-duty H-beam rods (6.000″ center-to-center) equipped with high-strength 7/16″ ARP fasteners.
- ☑ Custom Forged Pistons: Precision forged custom pistons supplied with 9310 alloy wrist pins and ring sets.
- ☑ System Matched Assembly: Components engineered together for reduced rotating mass, optimal balance, and ultimate motor reliability.
Technical Specifications
| Manufacturer | Brian Crower |
|---|---|
| Part Number | BC0233 |
| Engine Compatibility | Nissan RB30 / RB30DET |
| Target Displacement | 3.21L |
| Crankshaft Material / Stroke | 4340 Billet Steel / 90mm Stroke |
| Connecting Rod Spec | ProHD H-Beam (6.000″ C-to-C, 7/16″ Fasteners) |
| Piston Specifications | Custom Forged Pistons with 9310 Alloy Pins & Rings |
What’s Included in the Box
- 1x Brian Crower 4340 Billet Steel Crankshaft (90mm Stroke)
- 6x Brian Crower ProHD Series H-Beam Connecting Rods (6.000″ C-to-C)
- 6x Custom Forged Aluminum Pistons with 9310 Alloy Wrist Pins & Ring Sets
- 1x Specification Sheet & Technical Documentation
At JP Racing, we supply premier high-performance engine components to professional builders across the UK. Brian Crower products are built to exact specifications to deliver proven reliability under demanding competition conditions. For expert technical assistance, custom piston specification advice, or rapid UK dispatch, contact the JP Racing sales team today.




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