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SKU: B3106
GSC P-D Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 80 2013-2021
GSC Power-Division stopper intake valve guides fit Subaru FA20 engines in BRZ Scion FR-S and Toyota 86 models from 2013 to 2021. This set of 80 provides exact replacement parts for valve train rebuilds maintaining proper stem alignment and oil control. Engine builders rely on these guides for consistent performance under high RPM demands.
Key Features
- Manganese Bronze Construction: Delivers high wear resistance and strength for long-term reliability in demanding applications
- OEM Spec Dimensions: Direct drop-in fit for standard valve stems without machine work or adjustments
- Set of 80 Pieces: Ample quantity covers full engine rebuilds with spares for shops handling multiple FA20 projects
- Intake Valve Design: Stopper style controls valve travel precisely preventing seal failure and oil consumption
- Performance Focused: Enhances valve sealing and stability supporting higher boost and rev limits
Product Notes
- STD sizing matches factory 5.0mm intake valve stems on FA20 engines
- Intake side only compatible with FA20D and FA20F variants
- Packed securely for protection during transit
Installation Notes
- Professional installation recommended.
- Use dedicated valve guide driver tool and measure bore depth before pressing
- Apply assembly lube to guides and freeze fit if interference is tight
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2016 | Scion | FR-S | All |
| 2013-2021 | Subaru | BRZ | All |
| 2017-2021 | Toyota | 86 | All |
| 2015-2021 | Subaru | WRX | Base |
Why Choose GSC Power-Division?
- Proven components in Subaru racing engines worldwide
- Manufactured with tight tolerances for repeatable results
- Engineered specifically for FA20 valvetrain demands
Frequently Asked Questions
-
Q: Will B3106 fit 2015-2021 Subaru WRX FA20 engines?
A: Yes fits FA20F turbo models alongside BRZ 86 FR-S using standard intake valve stems -
Q: What material makes up these valve guides?
A: Manganese bronze alloy chosen for its hardness heat resistance and low friction properties -
Q: What tools are needed for installation?
A: Valve guide press driver seal installer and micrometer recommended for proper depth and alignment
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic tray in 6 x 5 x 1 inch box
- Weight: 0.65 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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