Stock length. Stock width.
Accepts link-pin torsion springs.
1 3/8 x .260 arms.
1/2" shock bolt hole.
Have 18 mm link pins holes.

2 1/4 inch longer than stock arms.
1 3/8 x .260 arms.
1 inch wider Stock.
Have 18 mm link pin holes.

2 1/4 inch longer than stock arms. (1 inch wider.)
1 1/2 x .375 Main shaft.
1 3/8 x .260 arms.
Have 18 mm link pins holes.

4 inch longer than stock arms.
(1 3/4 inch wider.)
1 1/2 x .375 Main shaft.
1 3/8 x .260 arms.
Have 18 mm link pins holes.