July 26th, 2018 – (Johnson Valley, CA) – Hammerking Productions, Inc. is pleased to announce that the world’s toughest one-day off-road race, the Nitto King of The Hammers Powered by Optima Batteries, has tripled the purse for Friday’s ULTRA4 race to $100,000 for 2019. The Unlimited 4 Wheel Drive class, known as ULTRA4s will race Friday, February 8th,… Continue reading King of The Hammers Prize Purse Increased to $100K for 2019