are +2 a-arms +2 on both sides or +1 on each side

[HondaRider18]

Do +2 or a-arms add 2 inches to each side or do they just add 1 inch on each side ? Kinda a stupid question but whatever

[nastynotchback1]

+2+1 A-ARM WOULD BE 2 IN WIDER AND 1 IN FORWARD PER SIDE.