Quarter-Max

Our new 1/2 inch larger diameter Threaded Adjustable Strut Cup Mount Kit provides the clearance required inside the cup for using long travel struts, especially long travel Penske struts with...

Our new 1/2 inch larger diameter Threaded Adjustable Strut Cup Mount Kit provides the clearance required inside the cup for using long travel struts, especially long travel Penske struts with...

This steering wheel button mount features two mounting positions so you can mount two buttons in one central location. This mount fits our line lock button RJ-206114. Includes hardware...

Hang your helmet with one of our Quarter-Max helmet hooks. Made from aluminum, the hook mounts on your roll cage so you can choose the most convenient place to hang your helmet.Specifications:•...

Hang your helmet with one of our Quarter-Max helmet hooks. Made from aluminum, the hook mounts on your roll cage so you can choose the most convenient place to hang your helmet.Specifications:•...

This adjustable front end mount kit is made of 6061-T6 aluminum. This kit saves about 2.75 lbs. over our standard steel kit! Welding required. Kit includes:• Qty-8 - 1/2 in. aluminum...

This adjustable front end mount kit is made of 6061-T6 aluminum. This kit saves about 2.75 lbs. over our standard steel kit! Welding required. Kit includes:• Qty-8 - 1/2 in. aluminum...

This adjustable front end mount kit is made of 6061-T6 aluminum. This kit saves about 2.75 lbs. over our standard steel kit! Welding required. Kit includes:• Qty-8 - 1/2 in. aluminum...

Our window frame kit can be adapted to any style car. The top window tubes are straight and can be bent to fit your application. Kit mounts one pair of door windows.Kit includes titanium tubing,...

Driveshaft Cover, Rolled, Tack Welded, 30 in., 4130Driveshaft covers, along with driveshaft loops, are used in the construction of driveshaft tunnels. In the event of driveline failure, most...

Driveshaft Cover, Rolled, Tack Welded, 24 in., 4130Driveshaft covers, along with driveshaft loops, are used in the construction of driveshaft tunnels. In the event of driveline failure, most...

Driveshaft Cover, Rolled, Tack Welded, 18 in., 4130Driveshaft covers, along with driveshaft loops, are used in the construction of driveshaft tunnels. In the event of driveline failure, most...

Driveshaft Cover, Rolled, Tack Welded, 12 in., 4130Driveshaft covers, along with driveshaft loops, are used in the construction of driveshaft tunnels. In the event of driveline failure, most...

Driveshaft Tunnel Kit, Unwelded Cover, 18 in., 4130In the event of driveline failure, most sanctioning bodies require a minimum 12 in. driveshaft tunnel to help protect the driver from a loose or...

Driveshaft Tunnel Kit, Unwelded Cover, 30 in., 4130In the event of driveline failure, most sanctioning bodies require a minimum 12 in. driveshaft tunnel to help protect the driver from a loose or...

Driveshaft Tunnel Kit, Unwelded Cover, 24 in., 4130In the event of driveline failure, most sanctioning bodies require a minimum 12 in. driveshaft tunnel to help protect the driver from a loose or...

Driveshaft Tunnel Kit, Unwelded Cover, 12 in., 4130In the event of driveline failure, most sanctioning bodies require a minimum 12 in. driveshaft tunnel to help protect the driver from a loose or...

This interior door handle can also be used as a parachute handle. Specifications:• Length: 6 in.• Material: Carbon fiber• Thickness: .125"• Color: Carbon fiberSold individually...

Driveshaft Cover, 30 in., Lightweight Carbon Fiber Driveshaft covers, along with driveshaft loops, are used in the construction of driveshaft tunnels. In the event of driveline failure, most...

Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, 4130Specifications:• 3 in. drop center• Width: 54-1/8 in.• Material: 4130• Diameter: 1-3/4 in. OD• Wall thickness: .095...

In 2006 Rick Jones invented the first ever Threaded Adjustable Strut Cup Mount to add more adjustability to the front suspension. Ever since, racers and builders alike have ranked the Quarter-Max...

Use these bottle clamps to mount air and fire bottles. May be mounted on tabs or flat surface. The easy spin knob provides positive, secure clamping and quick bottle loading. CNC machined...

Use these bottle clamps to mount air and fire bottles. May be mounted on tabs or flat surface. The easy spin knob provides positive, secure clamping and quick bottle loading. CNC machined...

Use these bottle clamps to mount air and fire bottles. May be mounted on tabs or flat surface. The easy spin knob provides positive, secure clamping and quick bottle loading. CNC machined...

Use these bottle clamps to mount air and fire bottles. May be mounted on tabs or flat surface. The easy spin knob provides positive, secure clamping and quick bottle loading. CNC machined...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

This tube clamp clamps around tubing and eliminates the need for welding on the chassis. Accepts our Quarter-Max billet bottle clamp when attachment to round tubing is necessary. Ideal for add-on...

Our tube adapters are CNC manufactured in-house to high quality specifications. Specifications:• Thread: Right hand• Thread Size: 1/2-20• Size: 1 in. OD x .065 in. W tube• Style:...

Our tube adapters are CNC manufactured in-house to high quality specifications. Specifications:• Thread: Right hand• Thread Size: 3/4-16• Size: 1-1/8 in. OD x .058 in. W tube•...

Our tube adapters are CNC manufactured in-house to high quality specifications. Specifications:• Thread: Right hand• Thread Size: 1/2-20• Size: 7/8 in. OD x .065 in. W tube•...

Universal Magnetic Drain Plug & Washer. 1/2-20. Collects steel particles, keeping your oiling system clean and allowing you to check for problems. Drain plug includes a copper washer.Sold...

Aluminum Black Cap with RJ Logo with Aluminum Bung with o-ring seal. Most commonly used for aluminum fuel tanks.Aluminum bung with internal threads.Specifications:• Cap Material: Aluminum•...

Aluminum Black Cap with Steel Bung with o-ring seal. Most commonly used on rear end housings.Steel bung with internal threads.Specifications:• Cap Material: Aluminum• Cap Color: Black•...

Fabricate your own Pro Series 9 in. Ford housing with our fabricated housing kit.  Kit includes 9 in. Ford housing face plate, banjo, inside bulkhead supports, 60 in. short and long axle tubes,...

Quarter-Max's 9 in. Ford fabricated housings are available in widths of 45 in. or 60 in. and feature a 1/4 in. thick face plate drilled on a CNC mill to provide accurate stud locations. The housing...

Quarter-Max's 9 in. Ford fabricated housings are available in widths of 45 in. or 60 in. and feature a 1/4 in. thick face plate drilled on a CNC mill to provide accurate stud locations. The housing...