If you want to upgrade your bridge (100% drop in replacement) try super-vee blade runner. A bit pricey but can be ordered with a short (thick) block for thin bodies. Awesome bridge! (
Blade Runner Super-Vee Tremolo Installation Video - YouTube
Super-Vee BladeRunner Tremolo for Stratocasters - 2-Post Mount Nickel Finish | Reverb
Dave Ross "The Guitar Doctor" - You can now have The Guitar Doctor install a Super Vee Blade Runner tremolo bridge in your Strat to keep it in tune. This new bridge