Have been digging around looking at injectors, partly to try to work out what cc my injectors were, and then to try to find a cheaper option for bigger injectors. Turns out mine will be fine anyway, but here's a list I found that could be useful... as its just a list I have put together from a few threads on various forums, I can't guarantee the acuracy.... and the part numbers might not be the same in the US as in the UK?
Year Make/Model Engine Size/Color Part #
87-88 Toyota MR2 4AGE NA 213cc - Beige Top #23250-16080
89-91 Mazda B2220 Truck 224cc - Yellow Top? #23250-74040?
99-00 Mazda Miata 240cc - Thin Red Body #195500-4430
Toyota 4AGE 250cc - Green Top
Toyota 4AGE 250cc - Violet Top
94-97 Mazda Miata 254cc - Tan Top #195500-2180
01-05 Mazda Miata NA & TURBO 265cc - Thin Lt. Prple #195500-4060
Toyota 3SGE 295cc - Green Top
89-92 Toyota Supra 7MGE NA 305cc - Light Green Top #23250-70080
93-95 Toyota Supra 3.0L 312cc - Maroon Top #23250-46030
Toyota 3SGE 315cc - Pink Top
90-92 MX6/626/Probe Turbo 326cc - Gray Top #195500-2150
89-91 B2600 Truck 326cc - Gray Top #195500-2150
Mazda 323 GTX TURBO 360cc - Black Top #195500-2130
Celica/MR2 3SGE NA 370cc - Green Top #23250-74160
Mazda RX8 420cc - Yellow Body #195500-4450
Subaru WRX 425cc - Lt. Blue Body #3920
89-92 Toyota Supra 7MGE TURBO 430cc - Black Top
89-92 Mazda RX-7 NA 440cc - Blue Top #195500-5740
89-91 RX-7 NA 460cc - Red Top #195500-2010
Subaru STi 540cc - Thin Pink Body #3910
89-91 RX-7 TURBO 550cc - purple top #195500-2020
low impedence
89-92 Toyota Supra (7MGE) NA - (295cc � Yellow Top) - #23250-70040
88-91 Toyota Collora GT-S Turbo (4AGZE) � (365cc � Red-Orange Top)
92-95 Toyota Collora GT-S TURBO (4AGZE) � (365cc � Red-Orange Top)
86-92 Toyota Supra (7MGTE) TURBO � (430cc � Black Top)
Toyota MR2 (3SGTE) TURBO � (430cc � Black Top)
Russell.