Grandfather voting clauses: https://www.thoughtco.com/grandfather-clauses-voting-rights-...
Felony disfranchisement: https://en.wikipedia.org/wiki/Felony_disenfranchisement_in_t...
Related to felony disfranchisement, the war on drugs: https://en.wikipedia.org/wiki/Race_and_the_war_on_drugs
Gun control laws: https://newrepublic.com/article/112322/gun-control-racist
Literacy tests: https://en.wikipedia.org/wiki/Literacy_test#Voting
Cash bail: https://harvardlawreview.org/2018/02/bail-reform-and-risk-as...
Stop and frisk: https://en.wikipedia.org/wiki/Stop-and-frisk_in_New_York_Cit...
Some of these fall under the broader category of Jim Crow Laws[1], but most the original Jim Crow Laws are more obvious in their racism.