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SKU: BXPT-20301
BLOX Racing Valve Springs – D-series SOHC VTEC D16Z-Y (1.6L)
The BLOX Racing D-series SOHC VTEC engines (D16Z-Y 1.6L). Dual-rate design with high-tensile chrome silicon steel delivers increased valve control, higher RPM capability, reduced valve float, and reliable performance under boost or high-rev applications the ultimate valve spring upgrade for any D16 SOHC VTEC build seeking aggressive cam compatibility, engine protection, and maximum power potential.
Key Features
- Dual-Rate Design – Progressive spring rate for improved valve control at high RPM
- High-Tensile Chrome Silicon Steel – Premium material resists fatigue and maintains consistent pressure
- SOHC VTEC Specific – Engineered for D16Z-Y and similar D-series SOHC VTEC heads
- Reduced Valve Float – Prevents valve bounce at high RPM for safer, more reliable operation
- Cam Compatibility – Supports aggressive cam profiles and boosted applications
| Spec | Detail |
|---|---|
| Part Number | BXPT-20301 |
| Brand | BLOX Racing |
| Type | Valve Springs |
| Engine | D-series SOHC VTEC (D16Z-Y 1.6L) |
| Material | High-Tensile Chrome Silicon Steel |
| Design | Dual-Rate |
| Compatibility | D16Z-Y and similar D-series SOHC VTEC engines |
| Country of Origin | United States |
| Warranty | BLOX Racing Limited Warranty |
Whats Included
- Set of 16 BLOX Racing valve springs (for 4-cylinder engine)
- Installation instructions
Product Notes
- Direct replacement for stock valve springs on D16Z-Y SOHC VTEC engines
- Essential upgrade for high-RPM or boosted applications to prevent valve float
- Recommended with upgraded cams, retainers, and valve job for full performance
Installation Notes
- Requires cylinder head removal and valve spring compressor tools
- Estimated time: 6–10 hours (during head service)
- Professional installation highly recommended with proper torque and valve clearance check
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| Various | Honda | Civic / CRX / Del Sol | D16Z-Y SOHC VTEC | Valve springs |
Why Choose BLOX Racing Valve Springs?
- #1 choice for high-RPM and boosted D-series engine protection
- Built & tested in the United States
- Chosen by Honda tuners for dual-rate design, durability, and aggressive cam compatibility
Frequently Asked Questions
-
Q: Does this fit my D16Z6 engine?
A: Yes, compatible with D16Z-Y and similar SOHC VTEC D-series engines. -
Q: Do I need upgraded retainers?
A: Recommended for high-RPM or boosted setups to maximize performance and safety. -
Q: Will it support high boost?
A: Yes, designed for boosted applications with increased valve control and RPM capability.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official BLOX Racing retail box
Read More
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