Upgrade your Toyota 22R cylinder head with premium Ferrea oversized stainless steel valves. Featuring a +1mm oversized intake and exhaust design, these valves increase airflow potential while maintaining the durability and precision Ferrea is known for worldwide.
 
Ideal for performance street engines, off-road builds, circle track applications, and fully ported cylinder heads, these valves allow your cylinder head to take full advantage of porting work and larger valve seat machining. When combined with proper bowl blending, seat work, and port development, these oversized valves can significantly improve cylinder head flow and overall engine performance.
 
Manufactured from high-quality stainless steel alloys, Ferrea valves provide exceptional strength, heat resistance, and longevity compared to factory replacement valves.
 
Features
Genuine Ferrea performance valves
+1mm oversized intake valves
+1mm oversized exhaust valves
Precision-machined stainless steel construction
Excellent heat resistance and durability
Increased airflow capability over stock valves
Ideal for performance and racing applications
Compatible with properly machined and ported cylinder heads
 
Benefits
Improved intake and exhaust flow
Increased horsepower and torque potential
Better cylinder filling at higher RPM
Excellent durability under demanding conditions
Superior material quality compared to stock replacement valves
Maximizes gains from cylinder head porting and performance camshafts
 
Specifications
Intake Valves
Oversize: +1mm
Material: Stainless Steel
Manufacturer: Ferrea
 
Exhaust Valves
Oversize: +1mm
Material: Stainless Steel
Manufacturer: Ferrea
 
Applications
Toyota 22R Engines (Pre-1984 Tall Deck Cylinder Heads)
Fits pre-1984 tall deck cylinder heads only.
 
 
Important Installation Notes
Requires cylinder head machining for oversized valve installation.
Valve seats must be cut to accommodate +1mm valve diameters.
Professional installation recommended.
Best results are achieved when combined with porting, bowl blending, and performance valve springs.
 
Package Includes
(4) Ferrea +1mm Intake Valves
(4) Ferrea +1mm Exhaust Valves
 
Recommended Upgrades
For maximum performance, pair these valves with:
Redline Engine Builders Ported Cylinder Heads
Redline Performance Camshaft Kits
Performance 135lb Dual Valve Spring Kits
Roller Rocker Arm Systems
Redline Precision Valve Job & Seat Machining Services
 
Why Choose Redline Engine Builders?
At Redline Engine Builders, we build and machine Toyota engines every day. Our oversized valve packages are selected to provide the airflow, durability, and reliability needed for serious Toyota performance builds. Whether you're restoring a classic pickup, building a trail truck, or assembling a high-performance street engine, we offer the components and expertise to help you get the most from your build.
 
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