GSC Exhaust Valve Guide – Honda B-Series – 5.5mm +0.003" Oversize – Stopper Style – Single – GSC3051.003-1
Engineered for precision fitment in high-performance Honda builds
This +0.003" oversize exhaust valve guide from GSC Power Division is designed for Honda B-Series engines requiring tighter tolerances. The stopper-style design enhances valve stability and exhaust flow, making it ideal for rebuilds and race applications. Compatible with valve seal GSC1039.
Specs – GSC3051 Profile:
- Total Length: 1.801 in / 45.75 mm
- Outer Diameter: 0.4750 in / 12.07 mm
- Valve Stem Diameter: 5.5mm
Standard guides are available individually or in sets of 8. Oversize options (+0.001" and +0.003") sold separately for precision tuning.
Fitment:
- 1989–1993 Honda Civic SiR (JDM), CRX SiR
- 1996–2000 Honda Civic Si (USDM), Civic VTi (EU)
- 1994–1997 Honda Del Sol VTEC (USDM)
- 1992–1993 Acura Integra GS-R
- 1990–1993 Acura Integra LS/RS
- 1994–2001 Acura Integra LS/RS
- 1994–2001 Acura Integra GS-R
- 1997–2001 Acura Integra Type R
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