GSC Power Division Exhaust Valve Guide – Standard Set of 8 (Honda K20C1 CTR) – GSC3121-8
Designed for the Honda K20C1 CTR platform, this set of 8 standard-sized exhaust valve guides from GSC Power Division delivers reliable fit and performance.
- Standard guides sold in sets of 8 or as individual units
- Oversized options available individually in +0.001" and +0.003" sizes
- Part #: GSC3121-8
Specs (in/mm):
- Length: 1.970 / 50.04
- Outer Diameter: 0.4357 / 11.07
- Valve Stem Compatibility: 5.5mm
Fitment:
- 2015 Honda Civic Type R (FK2)
- 2016 Honda Civic Type R (FK2)
- 2017 Honda Civic Type R (FK8)
- 2018 Honda Civic Type R (FK8)
- 2019 Honda Civic Type R (FK8)
- 2020 Honda Civic Type R (FK8)
- 2021 Honda Civic Type R (FK8)
- 2023 Honda Civic Type R (FL5)
- 2024 Honda Civic Type R (FL5)
- 2025 Honda Civic Type R (FL5)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

