Description
Part Number: BC0400S
Brian Crower Valve Spring & Steel Retainer Kit (Mazda MZR / Ford Duratec)
Precision-engineered single valve spring and steel retainer system designed to prevent valve float and ensure reliable high-RPM valvetrain performance in Mazda MZR and Ford Duratec engines.
Key Features
- ☑ Premium chrome silicone alloy springs wound by PAC Racing for maximum fatigue resistance.
- ☑ Heavy-duty CNC-machined steel retainers engineered for exceptional strength and longevity.
- ☑ Designed to eliminate valve float at high boost pressures and increased rev limits.
- ☑ Direct drop-in fitment requiring no cylinder head machining.
Technical Specifications
| Brand | Brian Crower |
|---|---|
| MPN | BC0400S |
| Engine Compatibility | Mazda MZR / Ford Duratec 2.3L & 2.5L 16V |
| Spring Part Number | BC1400 (Single Spring) |
| Retainer Part Number | BC2400S (Steel Retainer) |
| Seat Pressure | 1.400″ @ 86 lbs |
| Open Pressure | 1.000″ @ 190 lbs |
| Coil Bind | 0.835″ |
What’s Included in the Box
- 16x Brian Crower Single Valve Springs (BC1400)
- 16x Brian Crower Steel Valve Retainers (BC2400S)
Brian Crower is a trusted authority in high-performance valvetrain design. When you purchase from JP Racing, you benefit from genuine parts, specialized technical assistance, and fast dispatch across the UK.
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