Brian Crower 6mm Intake Valve Guides - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)
Brian Crower 6mm Intake Valve Guides - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)
Brian Crower
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Every product is sourced from authorized manufacturers or distributors. If something isn’t right with fitment or condition, we’ll work with you to resolve it fairly.
NO GUESSWORK,
JUST PARTS THAT WORK.
Let’s finish that car.
PRODUCT DETAILS
RallySport Direct carries a great variety of drivetrain upgrades brought to you by Brian Crower.
Here, you are looking at the Brian Crower 6mm Intake Valve Guides. These are made using durable materials and are ideal for those of you rebuilding your head and want premium materials to sustain larger power gains, and where the engine will live at higher RPM's.
DETAILS:
- Made from manganese silicon aluminum bronze alloy materials
- CNC machined to exacting tolerances
- 6mm in size
- Resistant to cracking and corrosion
- Reduces friction and insures high lubrication at elevated engine temperatures
- 100% compatible with BC's lineup of stainless steel valves
- Includes (8) intake valve guides
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
RallySport Direct carries a great variety of drivetrain upgrades brought to you by Brian Crower.
Here, you are looking at the Brian Crower 6mm Intake Valve Guides. These are made using durable materials and are ideal for those of you rebuilding your head and want premium materials to sustain larger power gains, and where the engine will live at higher RPM's.
DETAILS:
- Made from manganese silicon aluminum bronze alloy materials
- CNC machined to exacting tolerances
- 6mm in size
- Resistant to cracking and corrosion
- Reduces friction and insures high lubrication at elevated engine temperatures
- 100% compatible with BC's lineup of stainless steel valves
- Includes (8) intake valve guides
