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GMZ Kahuna Tire & Casino Wheels test

June 23, 2017
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— GMZ Race Products is a company whose three co-founders have more than 40 years of racing experience in karting, off-road trucks, ATVs, UTVs and NASCAR, and they back their products with race-sponsorship programs. With CAD design and testing with top off-road racers, GMZ tires and wheels are durable performers for the ATV and UTV public.

CONSTRUCTION:
The Kahuna tire is GMZ’s DOTapproved, all-terrain tire with eightply radial construction, heavy-duty sidewalls and special long-wear rubber compound. It comes in 30x10R14 and 30x10R15 sizes. The Casino non-beadlock wheel was designed for lightness to optimize the performance of GMZ’s sand tires on UTVs, and cast-aluminum construction with heat treatment adds to the strength and durability.

The Kahuna center-tread pattern is quiet on the streets and slick rock, and the stepped side lugs and siped centers offer great steering and braking traction.
The Kahuna center-tread pattern is quiet on the streets and slick rock, and the stepped side lugs and siped centers offer great steering and braking traction.

FEATURES:
Large knobs are siped for extra traction edges, and the tread pattern is designed for true all-terrain versatility. We mated our Kahunas with Casino wheels that are painted matte black and feature a new, sleeker center cap. Casinos come in 14×8 with 4+4 offset and 14×10 with 5+5 offset, while beadlock Casinos are 15×8 and 15×10 with the same offsets.

PERFORMANCE:
We tested the Kahunas and Casinos at Dove Springs and on three trails at Moab, and it took 250 miles to wear the manufacturing nubs off of the rear tires. The Kahunas hook up great on slick rock and are super smooth on the pavement, up to 70 mph. They don’t want to slip at all on rocks. They also work very well in desert hardpack, loose dirt and deep sand with great feel when steering or braking.

THE VERDICT:
GMZ’s Kahuna is a great choice for all-around off-road driving, and the DOT-legal rating makes it a great choice for people who live in states that license UTVs for the street. Long wear is always a good thing, and the Kahuna hooks up well on every surface and condition we encountered. The Casino wheel is also a great value with good looks and durability, but the 4+4 offset is a little wide for general desert use and more suited to dune use.

CONTACT: www.gmzraceproducts.com, (619) 244-5811
RATING: Kahuna: ★★★★★; Casino: ★★★★
PRICE: $210–$220 per Kahuna, $125.95–$135.95 per Casino

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