Description
Part Number: BC0400
Brian Crower Valve Spring & Titanium Retainer Kit
Engineered for high-RPM stability and maximum valvetrain reliability in performance Mazda MZR and Ford Duratec applications.
Key Features
- ☑ Wound from super-clean PAC Racing chrome silicone alloy wire for consistent pressure and durability
- ☑ Precision CNC-machined 6AL4V titanium retainers significantly reduce reciprocating valvetrain mass
- ☑ Prevents valve float and bounce under aggressive camshaft profiles and elevated boost levels
- ☑ Designed for direct drop-in fitment with OEM spring seats without requiring cylinder head machining
- ☑ Rated for high lift setups up to 0.480″ (12.19mm) net cam lift
Technical Specifications
| Manufacturer | Brian Crower (BC) |
|---|---|
| Part Number | BC0400 |
| Spring Part Number | BC1400 (Single Spring) |
| Retainer Part Number | BC2400 (Titanium Retainer) |
| Spring Material | PAC Racing Chrome Silicone Alloy |
| Retainer Material | 6AL4V Titanium |
| Free Length | 1.788″ |
| Seat Pressure | 1.400″ @ 86 lbs |
| Open Pressure | 1.000″ @ 190 lbs |
| Coil Bind | 0.835″ |
| Max Net Cam Lift | 0.480″ / 12.19mm |
| Spring Seat Type | Uses OEM Spring Seats |
What’s Included in the Box
- 16x Brian Crower Single Valve Springs (BC1400)
- 16x Brian Crower Titanium Retainers (BC2400)
Brian Crower is world-renowned for developing industry-leading valvetrain components designed to withstand the extreme stress of circuit racing and high-boost motorsport applications. As an authorized UK supplier, JP Racing provides genuine Brian Crower products backed by expert technical advice, competitive pricing, and fast UK dispatch.
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