365, 367, 388, 389, 567, and 587 - 14,600 to 42,000LB Axles - Eyes Both Ends Type Springs
14,600 through 24,000LB axles only - Standard axle position (27 inch X 32 Inch spring length)
Models with eyes both ends type springs
Springs in the same OEM number series are the same except for the bushing
All springs use a 2.08 inch diameter eye
RB-308: 7 1/2 inch long
RB-324: 6 11/16 inch long
For increased durability - Conversion to threaded bushings and pins is an option
With TB-81, Use 327-540 in place of RB-308 and 327-544 in place of RB-324