You need the OS A3 glow plug it will come with one but after the engine breakin you will have to change it, did you get a starter kit yet or is it coming with one. And you can get parts and upgrades from here.
http://allaboutfunhobbies.com/store/.../cPath/2_20_36 ...free shipping on all orders over $10.00 from here
http://www.redcatracing.com/parts_se...&partscat=6000
http://www.clermontmotorsports.com/s...rts/Categories