GSC +.003" Exhaust Valve Guide – Subaru FA20 / FA24 (GSC3063.003-1)
Oversized Exhaust Valve Guide for FA-Series Subaru Engines
The GSC Power-Division +.003" Exhaust Valve Guide is engineered for Subaru FA20 and FA24 engines found in WRX, BRZ, and Scion FR-S. This smooth-style guide features a +.003" oversize, ideal for cylinder heads that require a tighter fit due to wear, heat cycling, or machining.
Sold Individually
This listing includes one +.003" oversized exhaust valve guide. Standard size guides are available individually or in sets of 8. Additional oversized option includes +.001" for precision head work.
Technical Specifications
- Part Number: GSC3063.003-1
- Total Length: 1.456" / 36.98mm
- Outer Diameter: 0.3964" / 10.07mm
- Valve Stem Diameter: 5.5mm
Fitment:
- 2015–2021 WRX 2.0L Turbo (FA20DIT)
- 2022–2025 WRX 2.4L Turbo (FA24DIT)
- 2013–2020 BRZ 2.0L NA (FA20)
- 2022–2025 BRZ 2.4L NA (FA24)
- 2013–2020 Scion FR-S / Toyota 86 2.0L NA (FA20)
- 2022–2025 Toyota GR86 2.4L NA (FA24)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
