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SKU: 2039-8
GSC P-D Honda B-Series B16A/B17A/B18C Chrome Alloy Exhaust Valve 28mm Head - 6mm Stem - Set of 8 (1988-2001 Civic Integra Del Sol)
Upgrade B-Series VTEC engines with GSC Power-Division chrome alloy exhaust valves designed for Honda B16A B17A B18C heads. These one-piece forged valves fit 1988-2001 Civic Integra and Del Sol models delivering higher exhaust flow and heat resistance for track or street use. The 28mm head and 6mm stem ensure reliable sealing under high RPM and boost pressure.
Key Features
- Chrome Alloy Material: Forged one-piece design withstands extreme exhaust gas temperatures over 1600°F preventing stem stretch and valve flutter
- Precise Sizing: 28mm head diameter 6mm stem 109mm overall length with +/- 0.025in tolerance for drop-in compatibility in B-Series VTEC heads
- Swirl Polished Finish: Reduces friction improves airflow velocity and supports higher lift cams for measurable power gains
- Valve Head Design: 5.5mm thick head with reinforced margins resists recession in high compression or turbo setups
- Complete Set of 8: Matches OEM exhaust valve count for full replacement in B16A B17A B18C engines
Product Notes
- Ideal for naturally aspirated high revving or boosted B-Series builds
- Pair with upgraded valve springs like GSC S1 or S2 for 10mm+ lift
- Inspect valve guides and seats prior to installation
Installation Notes
- Professional installation recommended.
- Valve lash set to 0.010in intake 0.012in exhaust after install
- Compatible with OEM retainers keepers and aftermarket valvetrain
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | CRX | SiR (B16A) |
| 1989-1995 | Honda | Civic | SiR EG EF (B16A) |
| 1992-1995 | Honda | Civic | EX (B17A1) |
| 1993-1997 | Honda | Del Sol | VTEC (B16A2) |
| 1996-2000 | Honda | Civic | Si EM1 (B16A2) |
| 1994-2001 | Acura | Integra | GSR (B18C1) |
| 1996-2000 | Acura | Integra | Type R (B18C5) |
| 1997-2001 | Honda | Civic Type R | EK9 (B16B) |
Why Choose GSC Power-Division?
- Engineered for motorsport with real-world dyno testing on B-Series
- CNC machined in USA from premium aerospace-grade alloys
- Proven in drag racing time attack and drift competition
Frequently Asked Questions
-
Q: Will these fit B18C Type R heads?
A: Yes direct replacement for B18C1 GSR and B18C5 Type R exhaust valves in 1994-2001 Integra -
Q: What material makes them heat resistant?
A: One-piece chrome alloy forged to handle 1600°F+ exhaust temps ideal for turbo or high compression setups -
Q: What warranty is included?
A: Lifetime warranty against manufacturing defects when installed by certified shop
Shipping & Handling
- Method: Standard Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective foam-lined box 6 x 4 x 1.25 inches
- Weight: 0.75 lbs
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