Description 1 set of RX-7 Specific Apex Seal Springs for use with 2mm Apex Seals and Rotors found in 13b engines between 1986-1992. This set includes, 6 x Long Apex Seal Springs 6 x Short Apex Seal Springs This is enough for a 13b engine rebuild. Compatible with 1986-1988 Series 4 RX-7 FC3s 1989-1991 Series 5 RX-7 FC3s 1992-2002 Series 6-8 RX-8 FD3s These springs are an engine rebuilding essential. These springs will not work in 12a engines
