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1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"

1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"
1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5"
$56.99 ea
NEWARRIVING SOONEstimated Ship Date 05/15/2026 (If Ordered Today)4 Available from our supplier as of 04/28/2026
Model: 3963770
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]

Reproduction stamped steel center reinforcement strip, or center cross sill for 1960-72 Chevrolet and GMC stepside pickup, and 1969-72 Chevrolet and GMC Fleetside Longhorn pickup models. This brace is located below the bed floor in front of the wheelhouse, and ties the floor and the sides of the bed together. Bolted between the bed sides, it provides the mounting holes for the bed wood and strips. This particular brace bolts into place in position 3 on a 1967 or later stepside truck and toward the rear of the inner fender wells on the fleetside model. Approximate length 49-1/2".

Note: Shipped oversize.

Chevrolet Applications:
  • 1960-1966 Chevrolet Stepside (2 required)
  • 1967-1972 Chevrolet Stepside (1 required)
  • 1969-1972 Chevrolet Fleetside Longhorn (1 required)
GMC Applications:
  • 1960-1966 GMC Stepside (2 required)
  • 1967-1972 GMC Stepside (1 required)
  • 1969-1972 GMC Fleetside Longhorn (1 required)

Confused about wood bed parts terminology and what parts you might need to add or replace a wood bed? Click the link below to find the answers:

  • Truck Bed Wood - A Beginner's Guide.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Chevrolet C10 Pickup 1960 - 1972
Chevrolet C20 Pickup 1960 - 1972
Chevrolet C30 Pickup 1960 - 1972
Chevrolet K10 Pickup 1960 - 1972
Chevrolet K20 Pickup 1960 - 1972
Chevrolet K30 Pickup 1968 - 1972
Chevrolet Truck 1960
Dodge Truck 1960
GMC C15/C1500 Pickup 1967 - 1972
GMC Truck 1960

Specifications:

Height 57 in
Length 6 in
Weight 9 lbs
Width 6 in

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1960-72 Chevrolet, GMC, Stepside / Longhorn Fleetside, Reinforcement Strip, For Bed With Wood Floor, 49.5":
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