2019 Partners

We’d like to thank our continued partners of Ultra4 Racing and welcome our new partners for the 2019 Race Season: Continued Partners: 4WP: Official Partner; Title sponsor of Qualifying Rounds…

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Spidertrax Dominates 2016 King of the Hammers

A successful Ultra4 race program requires many different facets.  A talented driver, a skilled navigator, an experienced support team, and Spidertrax Spider9 axles.  That’s right, Spider9 axles have proven to…

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Falken Tire Offers New Racer Program

Nestor Cabrera Falken Tire Corporation Off Road Department Supervisor 8656 Haven Ave Rancho Cucamonga Ca 91730 July  2, 2014 Dear ULTRA4 Competitors: We are pleased to announce our first racer…

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AIRAID Announces KOH Contingency

AIRAID Announces Contingency and Racer Support for 2014 King of the Hammers   AIRAID Filter Company is pleased to announce its contingency and racer support program for the 2014 King…

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Currie KOH Video Contest

The Currie-KOH video contest will be going on the entire KOH week. We are asking contestants to film videos (30-45 seconds) of Currie sponsored vehicles and submit the videos one…

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GenRight Returns to KOH 2014

GenRight is proud to announce that they will be displaying a wide variety of Jeeps in their Hammertown booth! Each Jeep will be loaded with GenRight product on them at…

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Warn Industries Offers 2014 KOH Contingency

Warn Industries Offers 2014 Griffin King of the Hammers Contingency Warn Industries will be at King of the Hammers Vendor Show on WARN Way  Clackamas, OR (1/ 25/14) — Warn Industries announces their…

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ADS Will be at 2014 KOH

ADS Off-Road Racing Shocks will be attending the 2014 King of the Hammers race in Johnson Valley, CA the week of Feb 3, 2014. The King of the Hammers is…

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Axial Returns To Hammertown For KOH 2014

(CA, December 2013) Axial R/C Inc, manufacturers of the official R/C vehicles of ULTRA4 Racing, will once again be showing off their products in Hammertown at the 2014 Griffin King…

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What is an Axial Recon G6?

What is a RECON G6? If you have ever been to one of these events, the veterans will tell you, “It is whatever Parker wants it to be”. For those…

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WIDIA Sponsors 2013 King of the Hammers Event

“Extreme Challenges. Extreme Results.” WIDIA Sponsors 2013 King of the Hammers Event Event’s first sponsor outside racing brings powerful tooling support to extreme desert racing’s premier event “Raw awesome,” says…

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GenRight Off-Road

Jeep CJ, Jeep YJ, and Jeep TJ offroad parts and accessories; Jeep Wrangler and Jeep Rubicon offroad parts and accessories. Specializing in Jeep bumpers, LED Tail Lights, lift kits, suspension…

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King Off-Road Racing Shocks

King Shocks, Official Shock of Ultra4 Race Series Every year the King of the Hammers event and the Ultra4 racing series gets bigger and better. The same is true for…

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VIAIR: Vital Air Source

VIAIR Corporation offers the most comprehensive line of air compressors & air accessories for both the on-and off-road markets available anywhere. Our quality engineered compressors and components are also used in…

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Kawasaki

Kawasaki Teryx 750 FI 4×4 Sport Recreation Utility Vehicle – The 90-degree 749cc V-twin engine is the largest, most powerful engine in its class – reviews, gear, details, specs, photos…

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Master-Pull

Winch Rope, ATV winch ropes, Kinetic Tow Ropes and Recovery Gear for all applications: ATV’S, 4X4’S, SUV’S, H-D Trucks, H-D Equipment, Military, Police, Fire, Search and rescue units, MASTER-PULL Recovery…

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Pitbull Tires

PIT BULL offer LT 4×4 , ATV, UTV TIRES, Rock, Mud, Trail, Sand and Snow Super Extreme Off Road Tires you’re looking for! PIT BULL focus on off road tires…

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PartsMike

PartsMike has been supplying heavy duty steering and suspension components to the off road industry since 1996. At PartsMike we specialize in off road products of all types, and have…

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