BK12P Bracket Kit
The BK12P is Pinnacle's patented hidden-hardware bracket kit designed for 22.5 and 24.5 inch dual wheel semi trucks. Compatible with the FHR77 Deep Drop and FHR67 Shallow Drop fenders. Includes every piece of hardware needed for a complete installation — nothing to source separately. Anti-blowback geometry locks the fender in place at highway speed.

Installation Guide
Watch the step-by-step installation guide for the BK12P bracket kit.
Specifications
What makes this bracket patented
Hidden hardware
No bolts on the fender surface. All fasteners are concealed inside the mount.
Anti-blowback design
Prevents the fender from blowing back into the tire at highway speed.
Correct offset geometry
Engineered to clear spring shackles on the frame — no clearance issues, no cutting.
Frequently Asked Questions
What fenders does the BK12P fit?
The BK12P is compatible with the FHR77 Deep Drop and FHR67 Shallow Drop fenders for 22.5 and 24.5 inch dual wheel semi trucks.
Does the BK12P include all installation hardware?
Yes. The BK12P includes every piece of hardware required to fully install two fender pieces. Nothing needs to be sourced separately.
How long does installation take?
Most installs are complete in about an hour per axle. The kit is designed for a straightforward installation — all hardware is included and the bracket mounts without cutting or drilling.
Does this bracket kit come with a warranty?
Yes. All Pinnacle Heavy Duty bracket kits are backed by a limited limited lifetime warranty. If it fails under normal use, we make it right.
Ready to upgrade your rig?
Call us at 1-800-735-6510 — our team will match you to the right fender and bracket in under 5 minutes.