SuperTech 7mm Exhaust Valve Stem Seal - Nissan SR20DET/RB26

Supertech Valve Stem Seals are engineered to deliver maximum oil control and longevity for the exhaust side of the cylinder head. Built with advanced materials and tight production tolerances, these seals are ideal for high-performance engines that operate at elevated temperatures and RPMs.

Each seal supports optimal valve movement while preventing oil intrusion into the combustion chamber. With high resistance to heat and wear, they are trusted by builders and racers worldwide.

This product supports a 7mm valve stem, fits valve guides with a 11mm outer diameter, and has a 14mm outer diameter for precise seating and sealing.

Fits the following engines:

Nissan KA24DE DOHC
Nissan RNN14
Nissan SR20DET
Nissan RB26 DOHC
Nissan TB48

Features:

Designed for use on the exhaust valve side
7mm valve stem compatibility
11mm guide fitment | 14mm seal OD
Constructed from high-temperature, oil-resistant compounds
Benefits
Improves oil control at high RPM and boost
Reduces wear and extends valve train life
Prevents oil burning and carbon buildup
Perfect for high-performance street and race builds

Sold individually.