Genuine Mazda FD RX-7 Inner Apex Seal Spring
 
Suit Mazda RX-7 FC/FD RX7 13B Engines using 2mm apex seals.
 
Sold Individually
6x Required for 13B
9x Required for 20B
12x Required for 26B  
Mazda Genuine - OEM Replacement Part
Can also be used in FC RX-7 engines
Suits:
Mazda RX-7, FD, 1992 to 2002, Series 6 , 7 , 8 
Mazda RX-7 FC