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Brian Crower BC0340 valve spring and Ti retainer close-up
Brian Crower BC0340 valve spring and Ti retainer close-up
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Brian Crower Scion tC 2AZFE Single Valve Spring & Ti Retainer Kit

Brian Crower
BRCBC0340
Valve Springs, Retainers
Out of stock
$ 355.00
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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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Brian Crower

Brian Crower

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