SKU: BC0340
Brian Crower Single Valve Spring & Ti Retainer Kit Scion tC 2AZ-FE
The Brian Crower single valve spring and titanium retainer kit for 2005-2010 Scion tC with 2AZ-FE 2.4L engine. Maximize high-RPM stability and prevent valve float with lightweight Ti retainers and dual-spring design rated for 10,000+ RPM, complete with seals and locks for race-ready valvetrain performance.
Key Features
- Titanium Retainers: Ultra-lightweight 10g Ti8Al1V4 retainers reduce valvetrain mass for quicker revs and less stress on springs.
- Dual Valve Spring Design: Progressive rate springs with beehive inner for precise control and coil bind resistance up to 0.500 in lift.
- Complete Kit: Includes 16 springs, retainers, valve seals, and keepers for full DIY valvetrain refresh.
Specifications
| Specification | Detail |
|---|---|
| Part Number | BC0340 |
| Spring Type | Dual Beehive |
| Outer Diameter | 1.100 in |
| Inner Diameter | 0.630 in |
| Free Length | 1.850 in |
| Installed Height | 1.650 in |
| Coil Bind Height | 1.150 in |
| Max RPM | 10,000+ RPM |
| Retainer Material | Titanium |
| Quantity | 16 Springs + Retainers, Seals, Keepers |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
Product Notes
- Fits 2005-2010 Scion tC 2AZ-FE 2.4L (non-VVTi)
- Compatible with stock or aftermarket cams up to 0.500 in lift
- Professional valvetrain check recommended.
Installation Notes
- Installation Time: 4-6 hours
- Difficulty: Advanced
- Tools required: spring compressor, valve spring tool, micrometer engine head removal needed.
- Measure installed height to 1.650 in torque rocker arms to 22 ft-lbs check valve-to-piston clearance at 0.080 in min.
This Part Fits
| Year | Make | Model | Engine |
|---|---|---|---|
| 2005-2010 | Scion | tC | 2AZ-FE 2.4L |
Why Choose Brian Crower?
- Precision-engineered valvetrain components for motorsport reliability and high-RPM stability.
- Titanium retainers and dual springs exceed OEM specs for boosted or cammed applications.
- Lifetime warranty with USA-made quality for performance enthusiasts.
Frequently Asked Questions
- Q: What’s the max lift rating?
- A: Up to 0.500 in with proper installed height and clearance.
- Q: Does it include seals and keepers?
- A: Yes, full kit with valve seals and titanium keepers.
- Q: Compatible with stock cams?
- A: Yes, direct replacement for OEM valvetrain refresh.
- Q: What’s the spring rate?
- A: Progressive dual spring: 100 lb/in seat, 250 lb/in open for precise control.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Official Brian Crower retail box
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