Amazon.com: Wilkinson 52.5mm (2-1/16 inch) Full Block ST Guitar Tremolo Bridge Pop-In Arm 2-Point for American Standard or Professional Fender Strat, Chrome : Musical Instruments
DIY Strat (and other guitar & audio projects): Setting up or adjusting a Fender Stratocaster tremolo
Which Hipshot bridge will fit my Fender® Stratocaster®? – Hipshot FAQ