Chassis & Suspension
Shop Quarter-Max for the industry's best drag racing chassis and suspension components. We manufacture and stock everything you need to build or upgrade your race car, including 4-link suspensions, anti-roll bars, coilover shocks, drag struts, rod ends, and weld-on chassis brackets. Whether you are building a Pro Mod or a bracket car, our proven suspension parts are designed to help you hook hard and put the power to the ground.
-
4-Links & Components
-
Anti-Roll Bars
-
Back-Halfs
-
Ballast & Weight Bars
-
Bottle Mounts & Billet Clamps
-
Brackets, Gussets & Tabs
-
Drag Race Chassis Kits
-
Engine Mounting
-
Ladder Bars & Components
-
Rear End Housings & Components
-
Street Chassis & Front Clips
-
Struts & Components
-
Shocks, Springs & Accessories
-
Wheelie Bars & Components
-
Wishbones & Diagonal Links
-
QM Lock Collar, 1-1/2 In. Tube Size
Quarter-Max
$15.74Use this lightweight aluminum lock collar on the top of your wheelie bar support kit. Can also be used for other items. Specifications:• Material 6061-T6 aluminum• Available sizes: 1 in., 1-1/8 in.,...QM-218005-4$15.74 -
QM Lock Collar, 1-1/4 In. Tube Size
Quarter-Max
$15.74Use this lightweight aluminum lock collar on the top of your wheelie bar support kit. Can also be used for other items. Specifications:• Material 6061-T6 aluminum• Available sizes: 1 in., 1-1/8 in.,...QM-218005-2$15.74 -
QM Lock Collar, 1-1/8 In. Tube Size
Quarter-Max
$15.74Use this lightweight aluminum lock collar on the top of your wheelie bar support kit. Can also be used for other items. Specifications:• Material 6061-T6 aluminum• Available sizes: 1 in., 1-1/8 in.,...QM-218005-1$15.74 -
QM Lock Collar, 1-3/8 In. Tube Size
Quarter-Max
$15.74Use this lightweight aluminum lock collar on the top of your wheelie bar support kit. Can also be used for other items. Specifications:• Material 6061-T6 aluminum• Available sizes: 1 in., 1-1/8 in.,...QM-218005-3$15.74 -
QM Low Profile Slim-Line Wheelie Bar Wheel Housing Kit, 4130
Quarter-Max
$49.99This kit allows you to build your own wheel housing without requiring the use of a jig in order to weld the housing together. This saves time and money by eliminating the need for a dedicated fixture...QM-201204-6$49.99 -
QM Low Profile Slim-Line Wheelie Bar Wheel Housing Kit, Titanium
Quarter-Max
$159.99This kit allows you to build your own wheel housing without requiring the use of a jig in order to weld the housing together. This saves time and money by eliminating the need for a dedicated fixture...QM-201204-6T$159.99 -
QM Lower Control Arm Mount Kit
Quarter-Max
$164.84These are the same control arm mounts used at Quarter-Max. The .125" thick brackets are made of 4130. .095" thick gussets for added strength. NAS bolts, jet nuts, AN washers and misalignment bushings...QM-202111$164.84 -
QM Lower Control Arm Mount Kit, Welded
Quarter-Max
$323.39These are the same control arm mounts used at Quarter-max. The .125" thick brackets are made of 4130. .095" thick gussets for added strength. NAS bolts, jet nuts, AN washers and misalignment bushings...QM-202112$323.39 -
QM Lower Control Arms, Titanium
Quarter-Max
$1,574.99Upgrade your front-end geometry with the ultimate combination of strength and weight reduction. These lower control arms are precision-engineered specifically for use with Strange Ultra Struts,...STR-S3419TIT$1,574.99 -
$5.24 -
QM LS Motorplate
Quarter-Max
$149.99This motorplate is designed to fit LS-1 through LS-9 engines. It is machined on the driver back side for clearance for aftermarket cylinder heads. Specifications • Made of 6061-T6 1/4" aluminum •...QM-213240$149.99 -
QM MagnaFuel ProStar EFI 625 Fuel Pump Mount
Quarter-Max
$6.29Specifications:• Material: Steel• Hole Spacing: 1.500"• Application: MagnaFuel ProStar EFI 625QM-410552$6.29 -
QM MagnaFuel Regulator Mount
Quarter-Max
$43.04This fuel regulator mount is designed to mount most MagnaFuel regulators. Mounts the fuel regulator on (2) rubber vibration mounts to reduce vibration to the fuel regulator and aeration in the fuel...QM-213121$43.04 -
QM Master Cylinder Mount
Quarter-Max
$15.74Can be used to mount your master cylinder to the firewall or driver's floor. Material .125" 4130 Hole sizes 0.350"QM-410029$15.74 -
QM Master Disconnect Switch Bracket
Quarter-Max
$16.79Specifications:• Material: SteelFor use with the 214118 250-Amp Disconnect Switch.QM-410130$16.79 -
QM Master Disconnect Switch Bracket for Fire System Power Shut Off Kit
Quarter-Max
$14.69Use this bracket to mount the Flaming River 250-amp Big Switch Battery Disconnect #FR1003-1. Features integrated mounting hole for proper alignment of the Quarter-Max Fire System Power Shut Off Kit...QM-410130-1$14.69 -
$16.79 -
$15.74 -
QM Midplate Installation Kit
Quarter-Max
$55.64This easy to install kit gives you the perfect mounting points for your midplate and eases motor placement.QM-213106$55.64 -
QM Mopar Hemi Pro Stock Motorplate
Quarter-Max
$203.69Mopar Hemi Pro Stock Motorplate Specifications• Made of 6061-T6 1/4" aluminum • 33" overall width • 27-1/4" notch width Note: This motorplate requires qty-4 #217065 press-in bushings. Sold...QM-213113$203.69 -
$11.54 -
$15.74 -
$14.69 -
$10.49 -
QM Motorplate Installation Kit
Quarter-Max
$55.64This 4130 Chromoly kit welds to your chassis for easy placement and bolting of your motorplate. Kit includes laser cut 4130 brackets and all hardware for installation. Welding required.QM-213105$55.64 -
QM Motorplate Mount
Quarter-Max
$15.74This 4130 mount welds to your chassis for easy placement and bolting of your motorplate.QM-410104$15.74 -
QM Mount Kit for QM-201193 and QM-201193-1
Quarter-Max
$52.49Mount Kit for QM-201193 and QM-201193-1Includes brackets and hardware to create a bolt on application for the QM-201193 and QM-201193-1 Anti-Roll Bar Kits.QM-201193-MNT-KIT$52.49 -
QM Mount Kit for QM-201194 and QM-201194-1
Quarter-Max
$52.49Mount Kit for QM-201194 and QM-201194-1Includes brackets and hardware to create a bolt on application for the QM-201194 and QM-201194-1 Anti-Roll Bar Kits.QM-201194-MNT-KIT$52.49 -
QM Muffler Vent
Quarter-Max
$7.86Bronze/Steel Breather Filter Vent 1/8" NPT Male, 7/16" Length, 7/16" Hex Size.QM-219101-1$7.86 -
QM Narrow BB Ford Hemi Motorplate
Quarter-Max
$203.69Narrow BB Ford Hemi Motorplate Specifications• Made of 6061-T6 1/4" aluminum • 31" overall width• 24-1/2" notch width Note: This motorplate requires qty-4 #217065 press-in bushings. Sold...QM-213110-1$203.69 -
QM Nitrogen Bottle
Quarter-Max
$176.39Replacement nitrogen bottle for the Nitrogen Shock Filling Kit #219527.Bottle comes unfilled.QM-219528$176.39 -
QM Nitrogen Shock Filling Kit
Quarter-Max
$359.09This Nitrogen Shock Filling Kit includes a 2.5 lb bottle and an adjustable regulator with a hose and air chuck.Hose rated up to 300 psi working pressure. Bottle comes unfilled.QM-219527$359.09 -
QM Noonan Motorplate Mount for 2.75" Center-to-Center
Quarter-Max
$9.99Fabricated from high-strength 4130 chromoly, this heavy-duty chassis mount is precision-engineered for Noonan-style motorplates featuring a 2.75" center-to-center hole pattern. Its versatile tab...QM-411172$9.99 -
QM Noonan-Universal Motorplate Mount for 4.5" Center-to-Center
Quarter-Max
$13.99Fabricated from high-strength 4130 chromoly, this heavy-duty chassis mount is precision-engineered for Noonan-style motorplates featuring a 4.5" center-to-center hole pattern. Its versatile tab...QM-411137$13.99 -
QM NOS Bottle Mount
Quarter-Max
$15.74This is the base to your Nos bottle mount kit 0.063" thick 4130. Hole size 5.375"QM-410079$15.74 -
QM Nos Bottle Mount Base Single
Quarter-Max
$27.29Thickness 14 gauge Made of Cold Rolled Mild SteelQM-410335$27.29 -
QM Offset BBC Motorplate
Quarter-Max
$401.09Use this BBC offset motor plate when replacing a 5.3 bore spacing with a 5.0 bore space motor. It has a 1.5 in. offset. Specifications• Made of 6061-T6 1/4 in. aluminum • 31 in. Overall...QM-213225$401.09 -
$17.84 -
QM Offset Steering Arms, Aluminum, Laser Etched Logo (Sold as a Pair)
Quarter-Max
$419.99Integrated .700" Drop: By building a .700" drop directly into the arm, we eliminate the need for excessive shimming or precarious rod-end stacking. This integrated geometry maintains a rigid, safe,...QM-202117$419.99 -
QM Outboard Adjustable Pedal Mount Bracket, Titanium
Quarter-Max
$16.79Upgrade your chassis setup with our Precision-Engineered Outboard Adjustable Pedal Mount Bracket. Crafted from premium-grade titanium, this bracket offers the ultimate combination of featherweight...QM-411222-T$16.79