E&J 3mm 12A 2 piece apex seals

E&J 3mm 12A 2-Piece Apex Seals

E&J 3mm 12A 2-piece apex seals are designed for Mazda 12A rotary engines using a 3mm apex seal configuration.

Built for rotary enthusiasts, engine builders and racers who demand dependable sealing components, these apex seals are suitable for both street and performance-oriented 12A engine builds.

E&J Autoworks has been developing and supplying rotary engine components for many years, with E&J apex seals used in rotary-powered vehicles around the world.

Designed for Mazda 12A Rotary Engines

Apex seals are one of the most critical sealing components inside a rotary engine. Located at the tip of each rotor, they maintain the seal between the rotor and rotor housing as the engine operates.

These E&J 3mm apex seals feature a 2-piece design and are manufactured specifically for compatible Mazda 12A rotary engine applications using 3mm apex seals.

Key Features

• Designed for Mazda 12A rotary engines
• 3mm apex seal configuration
• 2-piece apex seal design
• Suitable for street and performance builds
• Suitable for naturally aspirated and modified rotary applications
• Manufactured for high-performance rotary engine use
• Individually quality checked by E&J Autoworks
• Proven in rotary applications worldwide

Street or Performance Build

Whether you are rebuilding a street-driven Mazda rotary or assembling a dedicated performance engine, choosing the correct apex seal is an important part of any 12A engine build.

E&J apex seals have been used across a wide range of rotary applications, from street cars to highly modified competition engines.

As with any rotary engine build, correct engine clearances, rotor housing condition, tuning, lubrication and assembly are critical to engine reliability and apex seal life.

Fitment

Engine: Mazda 12A Rotary
Apex Seal Width: 3mm
Design: 2-Piece
Application: Street / Performance / Motorsport

Please confirm that your rotors are configured for 3mm apex seals before ordering. Modified or previously rebuilt rotary engines may use components that differ from the original engine specification.

For modified engines or if you are unsure which apex seals are suitable for your build, contact E&J Autoworks before ordering.