SuperTech 6mm Intake Valve Stem Seal - Nissan SR/RB

Supertech Valve Stem Seals are engineered to deliver maximum oil control and longevity for the intake 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 6mm valve stem, fits valve guides with a 10mm outer diameter, and has a 12.60mm outer diameter for precise seating and sealing.

Fits the following engines:

Nissan CA18 DET
Nissan RNN14
Nissan SR20 VE P11 DOHC
Nissan SR20DE
Nissan SR20DET
Nissan VG30D DOHC
Nissan RB20 DOHC Hydraulic Lifter
Nissan RB20 DOHC Solid Lifter Conversion
Nissan RB25 DOHC Hydraulic Lifter
Nissan RB25 DOHC Solid Lifter Conversion
Nissan RB25 DOHC NEO (solid lifter)
Nissan RB26 DOHC
Nissan VK56DE
Nissan VQ35DE
Nissan VQ37VHR
Nissan VR38DETT

Features:

Designed for use on the intake valve side
6mm valve stem compatibility
10mm guide fitment | 12.60mm 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.