Fuel: Technology Hobbies (John Otto), Seaducer (Jerry Crowther), BAM Racing Fuels (Alan Elzer). I believe Al Hobs also sells fuel, you can still buy Redmax, (several Cincinnati guys still run it) Rich's Brew is another brand I have seen at races. You can mix your own fuel but if you're just getting back these sources and brands listed are all good. For a 45, you can run between 50-60 percent.
Fuel pumps, there are a few people have talked about on here, you may be able to find a thread that was started by Doc Turner a year or so ago discussing the various pumps available. I know some guys run the Sullivan, lots use the dubro hand cranks, and those of us fortunate enough to still have slimline pumps rebuild them every so often. I like the slimline boxxer but they don't come up for sale often, and rebuild kits are few and far between. I know Stumpfab was making rebuild kits at one point so that would be a great place to look if you have a worn out slimline.
Glow plugs: O'Donnell, and Technology Hobbies Inc is a distributor for them. AL Hobbs is your second source and has excellent pricing on his plugs. A lot of guys run them and are pleased with the performance. He is in the distributors section and checks in here frequently.
Ignitor: Rcats.
RCAT Systems - Radio Control Products These are fantastic and I love mine. Perfect glow every time and a great battery life. Buy the protective sleeve and drill a hole in the bottom so you don't have to fight it to charge it.
I like 2.1-2.3 diameter abc wheels in the 19-38 Rake/BAR range for props on my 45 crapshooter. (ex 2117-19-38) I know the 1462 and the 1657 were popular props for them back in the day as well. Lots of guys run Props 4 U by Mark Sholund, he's on here as Shoboat. I believe Bob English is now doing nitro props so he would also be worth checking out.