Description
Part Number: BC1230
Brian Crower Single Valve Springs – Nissan RB26DETT
Engineered by PAC Racing using premium chrome silicone alloy to deliver unmatched pressure consistency and prevent valve float under high-RPM track conditions.
Key Features
- ☑ Precision wound from high-grade, super clean chrome silicone alloy by PAC Racing
- ☑ Features proprietary chamfering and deburring procedures for long-term pressure retention
- ☑ Critical protection against premature valve float at high boost and high RPM
- ☑ Designed specifically for Nissan RB26 / RB26DETT cylinder heads
- ☑ Fully compatible with OEM or Brian Crower BC2230 retainers
Technical Specifications
| Manufacturer | Brian Crower (BC) |
|---|---|
| Part Number | BC1230 |
| Engine Application | Nissan RB26DETT (R32 / R33 / R34 Skyline GT-R) |
| Spring Type | Single Valve Spring |
| Material | Chrome Silicone Alloy |
| Free Length | 1.879″ |
| Seat Pressure | 90 lbs @ 1.535″ |
| Open Pressure | 190 lbs @ 1.150″ |
| Coil Bind | 0.935″ |
| Compatible Retainers | BC2230 / OEM Spring Seats |
What’s Included in the Box
- Full set of 24 Brian Crower BC1230 Single Valve Springs
- Manufacturer specification and verification card
At JP Racing, we supply high-performance powertrain parts trusted by professional engine builders across the UK. Every Brian Crower kit is backed by expert advice and rapid UK dispatch to keep your race or road build moving forward.
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