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SKU: BC3933
Brian Crower Valve Guides - Toyota 7MGTE 6.0mm Exhaust (1986-1992 Supra) Quantity of 12
Brian Crower valve guides BC3933 deliver precise fit for Toyota 7M-GTE exhaust valves in 1986-1992 Supra models. This set of 12 manganese bronze guides supports high-revving turbo engines with better heat management and wear resistance. Install them during cylinder head rebuilds for consistent valve sealing and extended service life in performance applications.
Key Features
- Manganese Bronze Material: Withstands extreme cylinder head temperatures and valve train stress for long-term reliability in racing setups.
- 6.0mm Internal Diameter: Exact match to OEM exhaust valve stems ensuring zero play and perfect alignment during operation.
- Set of 12 Guides: Covers all exhaust valves on the 7M-GTE inline-six cylinder head for complete rebuild coverage.
- Thin-Wall Design: Enhances heat transfer from valves to coolant reducing guide wear and maintaining tight tolerances.
- Precision Machined: Factory-direct tolerances guarantee drop-in compatibility after proper reaming for professional results.
Product Notes
- Confirm engine is 7M-GTE prior to purchase as guides are exhaust-specific.
- Store in dry conditions to prevent corrosion before installation.
- Packaged securely for protection during transit.
Installation Notes
- Professional installation recommended.
- Remove old guides with press and ream head to 12.020mm for new guide press-fit.
- Compatible with stock or oversized valves using 6.0mm stems.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1992 | Toyota | Supra | Base |
| 1987-1992 | Toyota | Supra | Turbo |
Why Choose Brian Crower?
- Proven in drag racing and endurance events with 7M-GTE builds.
- High-load testing ensures guides hold up under boost pressures over 20psi.
- CNC machining delivers repeatable interference fits every set.
Frequently Asked Questions
-
Q: Will these fit non-turbo 7M-GE Supra engines?
A: Yes, 1986-1992 Supra Base models share valve guide specs with Turbo allowing use on 7M-GE heads after verifying stem size. -
Q: What material are the guides made from?
A: Manganese bronze alloy provides superior strength and thermal conductivity compared to cast iron OEM guides. -
Q: Is there a warranty on BC3933?
A: Brian Crower offers warranty against manufacturing defects when installed by certified shops.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box 4in x 3in x 1in
- Weight: 0.45 lbs
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