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Swapping out old drums for discs instantly improves stopping feel and consistency. This Kodiak kit uses 10" Dacromet-plated slip-on rotors that fit over standard idler hubs and are secured by the wheels and lug nuts—no need to replace the whole hub-and-rotor assembly. The cast iron rotors meet SAE specs and are vented to shed heat, helping prevent fade and keeping braking smooth and even at highway speeds.
Saltwater, rain, and road spray won’t eat through these brakes fast. The Dacromet coating on the rotors and brackets carries a 300–400 hour salt spray rating, while the KodaGuard calipers push that up to 600 hours. Stainless steel pistons, pad backings, and caliper mounting bolts finish off the corrosion-resistant build, making this a solid choice for long-term use around water or in humid climates.
Drum brakes fade as they heat up and need regular tweaks to stay balanced. These self-adjusting cast iron calipers have a single stainless steel piston that’s 2-1/4" in diameter—about 30% larger than standard—to deliver more torque with each squeeze. The low-drag design retracts farther between stops for cooler, quieter operation, and fewer moving parts mean less maintenance down the line.
The ductile iron brackets are built for 3,500-lb axles with a #84 spindle, 5 on 4-1/2" bolt pattern, and 14" or larger wheels. Each bracket has side supports so the load sits on the bracket instead of the bolts, plus extra embossing for better thread engagement. That design keeps everything tight under braking without flex or vibration.
Everything needed for one axle is here—two Dacromet-coated rotors, two KodaGuard calipers, two ductile iron mounting brackets, and four stainless steel mounting bolts. Hydraulic actuator and brake lines are sold separately. With its slip-on rotors and bolt-on design, this kit makes it easier to convert an idler axle into a reliable disc brake setup right in your own shop.
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
Ratings & Reviews
Wade R.
7/1/2020
This product is still working out well. I generally use my boat trailer just a few times a year mostly Transitioning from the marina to my house in the spring and fall. The brakes work extremely well. The quality of parts and fit was perfect for my needs and type of use.
Jenny N.
7/17/2023
I am sorry that it was so hard to receive this order. I will have our Customer Service team reach out to you.
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Steve U.
8/23/2023
The Kodiak components look great and work perfectly a year out.