laguaguita wrote:what size custom rims are recommened on 1986 Nissan 720 King Cab P/U ????
The 720 rims have a 6 lug bolt pattern X 5.5 inch bolt circle (same as 139.7 cm bolt circle), so you need to find that same bolt pattern. If you install a mag wheel, make sure you can get enough lug threads inside the lug nut so the nuts don't fracture from stress.
Many wheels used on Chevys, Toyotas, Nissan, and others will have the right bolt pattern. Just make sure you have clearance when you install them on the front or you will get tire rub and will have wasted your money.