Stop losing ground on the climbs that matter most — the Hill Killer Front Differential is built to keep your UTV clawing forward when stock diffs give up.

Designed for serious off-road performance, the Hill Killer Front Diff is a heavy-duty front differential upgrade engineered specifically for Polaris RZR platforms. When you're crawling steep inclines, navigating technical rock sections, or pushing through deep ruts, a locked or upgraded front diff is the difference between making the line and getting stuck. The Hill Killer delivers the traction and durability that high-performance UTV builds demand.

Why Upgrade Your Front Diff?

The factory front differential is designed for general use — not for the abuse of aggressive off-road riding. Under extreme load, stock diffs can slip, overheat, or fail entirely. The Hill Killer Front Diff is purpose-built to handle the torque and stress of demanding terrain, giving you confident, consistent power delivery to the front wheels when you need it most.

Fitment

RS1 / Turbo / Pro XP — select the RS1/Turbo/ProXp variant
Turbo R (larger inner axles) — select the Turbo R variant

Please verify your model year and axle size before ordering. If you're unsure which variant fits your build, contact us and we'll help you get the right part.

Key Features

Heavy-duty construction built for extreme off-road use
Engineered for maximum traction on steep climbs and technical terrain
Direct-fit replacement — no cutting or fabrication required
Turbo R variant accommodates larger inner axles for proper fitment
Designed and built for high-torque RZR applications

What's Included

Hill Killer Front Differential (1)

Why buy from Warpath Customs? We're UTV enthusiasts based in Kansas City, Missouri. We stock the parts we believe in, and we're here to answer your questions before and after the sale. Order with confidence — we've got you covered.