hey guys my front differential pinion gone bad and need to be replace. i have 4.11 gears and i havent looked inside yet becuase im going to key west in 3 days for 3 weeks. i plan on bbuying parts the last week in key west. i was looking on summitracing.com and found the pinion i need but do i need the install kit or just ring and pinion, all it show was the ring & pinion so idk what the install kit looks like. if anyone have any info to put in etc. let me know. if need ill change the whole differential but keeping the same gears.