News

Quarter-Max and RJ Race Cars are known for providing top notch products and vehicles for a wide range of applications from street machines to the worlds quickest Pro Mods. Today we're adding to our product line up with a new beefy option for their favorite rear end centering device.Our best-selling QM Extreme Pro Series Wishbone Kit is now available with an even larger and stronger billet 4130 1-1/4" OD slide tube option. This is a 25% increase in slide tube diameter over our standard 1" billet …

The 4-link suspension is the most common and proven setup among the many different classes in drag racing, but it also has its own limitations — namely in regards to adjustability. That’s where Rick Jones Race Cars and Quarter-Max come to the table.A 4-link is designed to locate the rear axle with four links, two on each side. Besides these links controlling and transmitting the loads placed on the axle during acceleration and braking, the bottom links also control the axle placement front to re …