GSC +.001" Intake Valve Guide – Subaru FA20 / FA24 (GSC3064.001-1)
Oversized Intake Valve Guide for FA-Series Subaru Engines
The GSC Power-Division +.001" Intake Valve Guide is precision-built for Subaru FA20 and FA24 engines found in WRX, BRZ, and Scion FR-S. Featuring a smooth-style design, this guide offers a +.001" oversize—ideal for cylinder heads that need a tighter fit due to wear or machining.
Sold Individually
This listing includes one +.001" oversized intake valve guide. Standard size guides are available individually or in sets of 8. Additional oversized option includes +.003" for advanced head work.
Technical Specifications
- Part Number: GSC3064.001-1
- Total Length: 1.654" / 42.01mm
- Outer Diameter: 0.3964" / 10.07mm
- Valve Stem Diameter: 5.5mm
Fitment Guide
- 2015–2021 Subaru WRX 2.0L Turbo (FA20DIT)
- 2022–2025 Subaru WRX 2.4L Turbo (FA24DIT)
- 2013–2020 Subaru BRZ 2.0L NA (FA20)
- 2022–2025 Subaru 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
