Are Ghost trigger kits and springs top quality?
Yes, very good stuff.
The Ghost Rocket or Ghost Ultimate kits are great. I don't think you need the striker spring though. Just get the Ghost connector and the 6lb Wolff trigger spring. That will give you the pull you are looking for.
Glock 19 G4 BFG | Glock 17 G4 FDE | S&W M&P 22 | S&W M&P 45 | S&W M&P Shield 9 | Ruger GP100 4" | Sig P226 MK25 | Sig P229 Extreme | Sig P320F | Sig P320C | HK USP 9 | HK USP 45 (Tan) | Walther PPQ 9
Daniel Defense DDM4 V4 | Arsenal SGL 21 | ASA SBR | Savage Mark II FV-SR
Mossberg 590A1 20" SP | Mossberg 500 Cruiser