Supertech Polyacrylic Intake 5.5mm Valve Stem Seal

2005–2010 Scion tC / Toyota Celica (1ZZ/2ZZ Engines)

VS-T5.5I-8

Overview:

The Supertech Polyacrylic Intake 5.5mm Valve Stem Seal is a precision-engineered replacement part designed specifically for the 2005 to 2010 Scion tC equipped with the 2AZ-FE engine and Toyota Celica models featuring the 1ZZ and 2ZZ engines. This set of eight valve stem seals ensures optimal sealing performance for your engine’s intake valves, helping to maintain proper oil control and reduce valve guide wear.

Ideal for daily drivers and performance enthusiasts alike, these valve stem seals help preserve engine reliability and efficiency by preventing excessive oil consumption and minimizing emissions. Whether you are performing routine maintenance or rebuilding your cylinder head, these seals provide a durable and high-quality solution tailored to your vehicle’s specifications.

Key Features:

Supertech valve stem seals are crafted with advanced materials and design to deliver dependable performance and longevity. Key features include:

• Constructed from durable polyacrylic material, offering excellent resistance to heat and wear.
• Precisely sized at 5.5mm to fit intake valve stems for the specified Scion tC and Toyota Celica engines.
• Designed to provide a tight seal that prevents oil leakage into the combustion chamber, reducing oil consumption and emissions.
• Compatible with 2AZ-FE, 1ZZ, and 2ZZ engine configurations, ensuring proper fitment and function.
• Manufactured to OEM standards for reliable sealing and long service life.
• Set includes eight seals, covering all intake valves for a complete replacement job.
• Helps maintain optimal valve guide lubrication without excess oil flow.
• Ideal for engine rebuilds, repairs, or preventative maintenance to extend engine life.

Construction & Design:

These valve stem seals are made from high-quality polyacrylic, a synthetic elastomer known for its excellent thermal stability and resistance to oil degradation. This material choice ensures the seals maintain their elasticity and sealing capability even under the high temperatures and chemical exposure typical of engine operation.

The 5.5mm dimension is carefully engineered to match the intake valve stems of the 2AZ-FE, 1ZZ, and 2ZZ engines, providing a precise fit that minimizes the risk of leaks or premature wear. The seals are designed to maintain consistent contact pressure on the valve stems, allowing proper lubrication while preventing oil from entering the combustion chamber.

Installation & Fitment:

The Supertech valve stem seals are direct replacements for the factory seals on the 2005–2010 Scion tC and Toyota Celica with 1ZZ and 2ZZ engines. Installation requires removal of the cylinder head components to access the valve stems, so it is recommended for experienced mechanics or professional installation.

No modifications or special tuning are necessary when installing these seals, as they are designed to meet OEM specifications for fit and function. Using these seals helps ensure your engine maintains proper oil control and valve guide protection after service.

• Direct fit for intake valves on specified engines
• No cutting, drilling, or tuning required
• Recommended for engine rebuilds or valve service

What's Included:

• Set of 8 polyacrylic intake valve stem seals sized 5.5mm

Ideal For:

This valve stem seal set is perfect for:

• Owners of 2005–2010 Scion tC with 2AZ-FE engines seeking reliable valve stem sealing
• Toyota Celica owners with 1ZZ or 2ZZ engines performing valve maintenance or rebuilds
• Mechanics and enthusiasts focused on maintaining engine oil control and reducing emissions
• Anyone requiring OEM-quality replacement seals for intake valves

Supertech is a manufacturer of high-performance automotive components, including engine valves, pistons, and valve springs, designed for racing applications. Their products are engineered to enhance engine performance and durability, catering to enthusiasts building street, drift, and track vehicles.