IH Miscellaneous - Fits: Cotton Picker: 314, 320 Cotton Picker, 501, 502, Grain drill: 100, 150, 620, 6200, 7100, 7200, Planter: 249, 250, 449, 450, 500, 649, 650, 92
International / Farmall - Fits: [ 1066, 1206, 1256, 1456, 1466, 1468, 1566, 1568, 706, 756, 766, 806, 826, 856, 966 (use on the following gear drive tractor when used as a clutch pedal return spring) ], [ 4100, 4156, 4166 (use on the following model when used as a clutch pedal and brake pedal return spring) ], Cotton Picker: 414, 416, 420, 422; Replaces: 626206R1
Our IHS1581 spring has an overall length of 4.463", with a wire diameter of 0.083" and an outside spring diameter of 0.744".