Description
Part Number: BC1030
Brian Crower Dual Valve Springs
High-performance dual valve spring set engineered by Brian Crower for high-RPM Honda H22 and Nissan SR20VE/SR20DET engine builds.
Key Features
- ☑ Precision wound by PAC Racing using super-clean chrome silicone alloy wire
- ☑ Dual spring configuration eliminates valve float at extreme engine speeds
- ☑ Direct drop-in fitment requiring no cylinder head machining
- ☑ Engineered for high-lift camshaft profiles and elevated boost pressures
Technical Specifications
| Manufacturer | Brian Crower |
|---|---|
| Part Number | BC1030 |
| Spring Type | Dual Valve Spring |
| Material | Super Clean Chrome Silicone Alloy |
| Free Length | 1.815″ |
| Seat Pressure | 88 lbs @ 1.400″ |
| Open Pressure | 220 lbs @ 0.950″ |
| Coil Bind | 0.790″ (No machine work required) |
| Outer Spring Diameter | O.D. 1.160″ / I.D. 0.870″ |
| Inner Spring Diameter | O.D. 0.870″ / I.D. 0.679″ |
What’s Included in the Box
- Set of Brian Crower BC1030 Outer Valve Springs
- Set of Brian Crower BC1030 Inner Valve Springs
Engineered to withstand the intense harmonic stresses of track and race applications, Brian Crower dual valve springs deliver the reliable valve train control required when pushing high-revving powertrains to their absolute limits. As an authorized UK performance Motorsport supplier, JP Racing provides technical support, authentic Brian Crower components, and fast dispatch across the UK.




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