oc i5 2500k

hi. im trying to improve my pc specs ( i5 2500k, NH-D14 DUAL RADIATOR CPU COOLER, mb z68 gen 3, 64 gb ssd for windows, CORSAIR KIT 2X4 13333MHZ and just bought ASUS CERBERUS-GTX1050TI-O4G GeForce GTX 1050 Ti 4GB GDDR5 ( i hope it will fit in :) ...and i wanna ask what improvment shoudl i see...