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Smooth Rail Caps 20-23 Gmc S/box

$ 679.43

SKU: 13125017 Categories: , ,

Smooth aluminum rail caps are the benchmark for durability when it comes to aluminum rail caps. The satin mill finish is coating free to ensure there will never be any chipping, flaking or rust. All Westcan Manufacturing’s rail caps are a no-drill installation and come with non-corrosive and stainless steel hardware. The rail is built from structural grade 1-1/2″ aluminum tubing and is complete with a clear anodized finish which will help your rail caps look great for many years to come. All rail caps are to be use with your choice of any Westcan cab guard and installation kit.


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MakeModelBox LengthModel YearLengthDepthHeight
GMCSierra 2500Short Box2020+86-1/2"5-1/4"4-7/8"
GMCSierra 3500Short Box2020+86-1/2"5-1/4"4-7/8"
Click here to view the install instructions
Required Products:

Required For: 2020 - 2024 GMC Sierra 2500 Short Box
Required For: 2020 - 2024 GMC Sierra 3500 Short Box