MIO-R290GM2011 Rev E
G&B Specialties Inc. 535 West 3
rd
Street, Berwick, PA, USA Tel: (570) 752-5901 Fax: (570) 752-6397
US Field Service: 570-441-6988; CAN Field Service 570-854-0482; www.rafna.com
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Table 2: Rear Mounting Kit (Short Bed – Gas Only) Installation Parts
Part Number
Description
Qty
R-21140D
Rear Mounting Bracket, Drivers Side
1
R-21140P
Rear Mounting Bracket, Passengers Side
1
R-2960
Railgear Mounting Shim – ½” Thick
2
R-2960A
Railgear Mounting Shim – 1” Thick
2
R-2631
Railgear Mounting Shim – 2” Thick
2
H-00001 M18
Nylock
Nut
2
H-00019 M16
Nylock
Nut
2
H-00002 M14
Nylock
Nut
2
R-990KIT-309
(Mtg. Brkts.)
1/2" UNC Gr. 8 Bolt x 1.50” Long
2
1/2" Gr. 8 Type-A Flat Washer
4
1/2" UNC Gr. 8 Nylon Insert Lock Nut
2
M18-2.5 Gr. 10.9 Bolt x 60mm Lg.
2
M16-2 Gr. 10.9 Bolt x 50mm Lg.
2
M14-2 Gr. 10.9 Bolt x 50mm Lg.
2
M18 Gr. 200HV Flat Washer
4
M16 Gr. 200HV Flat Washer
4
M14 Gr. 200HV Flat Washer
4
R-990KIT-304
(Railgear Mtg.)
3/4" UNC Gr. 8 Bolt x 3.50” Long
4
3/4" UNC Gr. 8 Bolt x 4.50” Long
4
3/4" UNC Gr. 8 Bolt x 5.50” Long
4
3/4" UNC Gr. 8 Bolt x 6.50” Long
4
3/4" Gr. 8 Type-A Flat Washer
8
3/4" UNC Gr. 8 Nylon Insert Lock Nut
4
1.
Remove the original spare tire from under the vehicle’s cargo box if so equipped. The
original spare tire will not be re-installed.
2.
Remove the rear bumper. The rear bumper will be reinstalled.
3.
Remove the tow hitch. The tow hitch will be re-installed.
4.
Place each rear mounting bracket against the underside and outside of the frame rails and
as shown.
5.
Mark the outside of the frame, using the mounting brackets as a guide, and drill a 17/32"
thru the outside frame rail at each market location.
6.
Install the rear mounting brackets as shown using the supplied 1/2" hardware. Ensure the
rear mounting brackets are tight to the underside and outside of the frame and are
aligned with each other.
7.
Re-install the OEM tow hitch. The tow hitch will be installed in the factory location, below
the railgear mounting brackets.
8.
Place the tow hitch up against the bottom of the railgear mounting brackets as shown.