22.5 Low Pro, 22.5 Tall, 24.5 Low
Choice of 92 or 99" 304 Stainless Fenders
 
(1) BBBM-4UPS
(1) BBBM-4UDS
(1) BBBM-4ACMDS
(1) BBBM-4ACMPS
(1) BBM-3RDS
(1) BBM-3RPS
(1) BBBM-CB
(4) 1 x 9 grade 8 fine thread bolts, and nuts. - replaces OEM suspension bolt : longer ones are needed
(24) 3/8 x 1 1/4 stainless steel bolts, nuts and washers
(2) 1/2 x 2  grade 8 bolts, nuts and washers
(4) 1/2 x 4 1/2 graade 9 bolts, washers and nuts : mounts rear bracket to frame
 
*** QUANTITY 4 : 1x9's have to be used original OEM bolts are too short.
*** BBBM-4U is a front bracket that can fit any size tire.
*** BBBM-4ACM is a center bracket that mounts between tandems and can be centered before tightening. 
 
BBBM-4ACMPS - old low air Peterbilt adjustable center mount - passenger side
BBBM-4ACMDS - old low air Peterbilt adjustable center mount - driver's side.