When thinking about road handling, all these are wrong: (1) To improve handling, you need to change all the suspension parts. (2) Tyres fix handling. (3) Aftermarket companies sell matched shocks and springs. (4) If you improve handling, the ride gets worse. (5) Suspension is really complicated to understand. https://www.amazon.com/Vehicle-Ride-Handling-Modification-Development/dp/B0D7327WSB or Amazon in your country.