Brian Crower BC3932 Intake Valve Guides 6.0mm Set of 12 for Toyota 7MGTE 7MGE

Vehicle Fitment

• 1986-1992 Toyota Supra MkIII (A70, 7MGTE 3.0L Turbo I6 & 7MGE 3.0L NA I6)
• 1989-1992 Toyota Cressida (MX83, 7MGE 3.0L NA I6)

Fitment Notes

• Intake valve guides only - covers all 12 intake valves on the 24-valve DOHC 7M cylinder head. Exhaust guides sold separately as BC3933.
• Valve guides may require honing to final size after installation; professional cylinder head machining is required.
• Fully compatible with Brian Crower stainless steel valve lineup for the 7MGTE/GE platform.

Features

• Machined from manganese silicon aluminum bronze alloy for superior heat conductivity, corrosion resistance, and reduced valve stem friction versus OEM cast iron guides.
• CNC machined to exacting tolerances for precise valve-to-guide fit, ensuring consistent valve sealing and long-term valvetrain reliability.
• Resistant to cracking and corrosion under the thermal and mechanical stress of high-RPM and forced induction operation.
• Designed to maintain consistent lubrication at elevated engine temperatures and RPM, reducing valve stem wear over time.
• 100% compatible with Brian Crower's stainless steel valve lineup for the 7MGTE/GE head, enabling a complete BC valvetrain upgrade.
• Direct OEM replacement profile - installs into factory guide bores with machine shop final fitting.

Specifications

• Part Number: BC3932
• Application: Toyota 7MGTE / 7MGE 3.0L DOHC I6
• Position: Intake
• Valve Stem Diameter: 6.0mm
• Material: Manganese Silicon Aluminum Bronze Alloy
• Quantity: Set of 12 (full intake side)

Included Components

• 12x Manganese Silicon Aluminum Bronze Intake Valve Guides (6.0mm)

Product Description

The Brian Crower BC3932 intake valve guides are a precision-machined cylinder head component designed for the Toyota 7MGTE and 7MGE 3.0L DOHC inline-six engines found in the 1986-1992 Supra MkIII and 1989-1992 Cressida. Cast in manganese silicon aluminum bronze alloy, these guides outperform OEM cast iron guides by conducting heat away from the valve more efficiently, reducing friction along the valve stem, and resisting the corrosion and cracking that commonly develop in high-mileage or high-boost 7M cylinder heads.

Each set covers all 12 intake valve positions on the 24-valve DOHC head and is CNC machined to tight tolerances for a consistent press-fit into factory guide bores. Professional installation and post-install honing to final stem clearance are required. For builders performing a full valvetrain refresh, BC3932 pairs directly with BC3933 exhaust guides and the complete Brian Crower stainless steel valve lineup for the 7M platform.