I'm rather sure that various RB components can be found aplenty in both AU and NZ (though rather obviously not RB26), so eventually you might found a 25 or even 26 head Not sure if 20DE head works as well(as in, you might want to install them, but I don't guarantee if it'll run), but you may consider that for last resort option
Mitsubshi Lancer Evolution III GSR 'Silver Queen' - Main Daily, Real Tuning/Street class TA car
Nissan Silvia S15 Spec-S (RB26 swap) - Second/Open/possibly Turbo class TA car (WIP)
Nissan Skyline GT Sedan HR34 - Spare Daily #1, grassroot drifter
Daewoo Tico (D16 VTEC swap planned)- Kanjo car (WIP)
Mercedes Sprinter - Parts and trailer van (mainly for S15)
Chevy Silverado CK1500 (LS7 swap) - Spare parts truck, hobby drag car, gift from Side to Side crew
Nissan 240SX MS13 Convertible 'Kaede' - Spare Daily #2, kyusha car
Toyota Mark II JZX110 'Meme Machine' - Missile drift car, currently broken, will be fixed
Ford Mustang Foxbody Hatchback 2.3 (Ford Modular 4.6 swap) - No purpose at the moment, FOR SALE OVER HERE! CLICK ME HARD!
Yes, I own too many cars, thanks for asking. All offers on cars for sale via PM unless announced later
Not sure if 20DE head works as well(as in, you might want to install them, but I don't guarantee if it'll run), but you may consider that for last resort option 
