Radium Engineering Mazda Primary Injector Seat 16mm, 13B-RE, 13B-REW, 20B-REW - 20-1044

Radium Engineering 20-1044 Mazda primary injector seat, 16mm, for 13B-RE, 13B-REW and 20B-REW rotary fuel rails.

• CNC machined from billet 6061 aluminum with Type-II anodizing and a laser etched logo
• Same machined seat Radium uses in its fuel rails for Mazda and Eunos Cosmo and RX-7 rotary engines
• Primary seat for the irons. Taller than the secondary seat, so the O-rings extend past the air assist holes in the irons
• Boost and fuel compatible FKM O-ring included
• Works with or without OEM fuel injector diffusers
• Presses into the OEM injector bore and seals to the machined counterbore
• Sold individually. Both primary and secondary seats are needed when converting the OEM 16mm counterbore to 14mm

Fitment

• Mazda 13B-RE: 2 primary seats (20-1044) per engine. (Source: Radium Engineering)
• Mazda 13B-REW: 2 primary seats (20-1044) per engine. (Source: Radium Engineering)
• Mazda 20B-REW: 3 primary seats (20-1044) per engine. (Source: Radium Engineering)

Resources

• Radium Engineering product page
• Radium installation instructions (PDF)

Contact us if you are unsure of fitment or Size HERE