Bungees are priced per each. The shock cord/bungee is 3/4 x 8 and applicability is for the following aircraft:
Piper J-3 (S/N 8278 and up)
Piper PA-18 (S/N 1 to 3013)
Piper PA-18 "135" with hydrasorb unit (std) on S/N 3014 and up
Piper PA-18 "150"
Piper PA-18A with std shock strut on S/N 1 to 3013
Piper PA-18A with hydrasorb unit (std) on restricted category planes with S/N 2187 to 3013
PA-18A with hydrasorb unit (std) on S/N 3014 and up
(4) are required per ship