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.
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4-Links & Components
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Anti-Roll Bars
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Back-Halfs
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Ballast & Weight Bars
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Bottle Mounts & Billet Clamps
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Brackets, Gussets & Tabs
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Drag Race Chassis Kits
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Engine Mounting
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Ladder Bars & Components
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Rear End Housings & Components
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Street Chassis & Front Clips
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Struts & Components
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Shocks, Springs & Accessories
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Wheelie Bars & Components
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Wishbones & Diagonal Links
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Quarter-Max 4-Link Chassis Bracket Doubler Plate, Upper
Quarter-Max
$35.69Doubler plates are designed to weld to the 4-link brackets to add thickness and strength around the 4-link holes, while adding a minimal amount of weight. This additional strength increases bracket...QM-411032$35.69 -
Quarter-Max 4-Link Chassis Brackets
Quarter-Max
$121.76 - $167.96Quarter-Max's 4-link chassis brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. These brackets feature a 1 in. hole spacing...QM-410022 | QM-410022M$121.76 - $167.96 -
Quarter-Max 4-Link Chassis Brackets for 2 in. x 3 in. Rectangle Tube Four Link Rails
Quarter-Max
$139.99Quarter-Max's 4-link chassis brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. These brackets feature a 1 in. hole spacing...QM-410188$139.99 -
Quarter-Max 4-Link Housing Brackets
Quarter-Max
$184.76Quarter-Max's 4-link housing brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. These brackets feature a 1 in. hole spacing.Features:...QM-410021-x$184.76 -
Quarter-Max 4-Link Housing Brackets for Billet Adjustable Shock Mounts
Quarter-Max
$205.76Quarter-Max's 4-link housing brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. These brackets feature a 1 in. hole spacing. Designed...QM-410021-x-AS$205.76 -
Quarter-Max 4-Link Kit
Quarter-Max
$599.99 - $729.99The Quarter-Max Four Link Kit can be used in most sportsman and street/strip applications.This kit features our high quality 1-1/4 in.x.095 in. 4130 Pro Series Four Link bars. This is a stronger...QM-30110x$599.99 - $729.99 -
Quarter-Max 9 in. Bare Rear End Housing Back Brace - Length 24 in.
Quarter-Max
$162.75Use this housing back brace to add strength to your Quarter-Max bare housings - QM-204109-40, QM-204109-50, and QM-204109-60. • Length: 24" • Material: 4130QM-204109-24$162.75 -
Quarter-Max 9 in. Bare Rear End Housing Back Brace, Length 36 in.
Quarter-Max
$173.25Use this housing back brace to add strength to your Quarter-Max bare housings - QM-204109-40, QM-204109-50, and QM-204109-60. • Length: 36" • Material: 4130QM-204109-36$173.25 -
Quarter-Max 9 in. Bare Rear End Housing Back Brace, Length 48 in.
Quarter-Max
$183.75Use this housing back brace to add strength to your Quarter-Max bare housings - QM-204109-40, QM-204109-50, and QM-204109-60. • Length: 48" • Material: 4130QM-204109-48$183.75 -
Quarter-Max 9 in. Ford Fabricated Bare Rear End Housing, 4130, 45 in. Wide
Quarter-Max
$799.99Quarter-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...QM-304104-2$799.99 -
Quarter-Max 9 in. Ford Fabricated Bare Rear End Housing, 4130, 60 in. Wide
Quarter-Max
$899.99Quarter-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...QM-304104-3$899.99 -
Quarter-Max 9 in. Ford Fabricated Bare Rear End Housing, Mild Steel, 45 in. Wide
Quarter-Max
$549.99Quarter-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...QM-304104$549.99 -
Quarter-Max 9 in. Ford Fabricated Bare Rear End Housing, Mild Steel, 60 in. Wide
Quarter-Max
$599.99Quarter-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...QM-304104-1$599.99 -
Quarter-Max 9 in. Ford Fabricated Housing Kit, 4130, 45 in. Wide
Quarter-Max
$409.99Fabricate your own 9 in. Ford housing with our Quarter-Max fabricated housing kit. Kit includes a Quarter-Max 9 in. Ford housing face plate, banjo, inside bulkhead support, 45 in. or 60 in. short...QM-304108-45$409.99 -
Quarter-Max 9 in. Ford Fabricated Housing Kit, 4130, 60 in. Wide
Quarter-Max
$454.99Fabricate your own 9 in. Ford housing with our Quarter-Max fabricated housing kit. Kit includes a Quarter-Max 9 in. Ford housing face plate, banjo, inside bulkhead support, 45 in. or 60 in. short...QM-304108-60$454.99 -
Quarter-Max 9 in. Ford Fabricated Housing Kit, Mild Steel, 45 in. Wide
Quarter-Max
$316.04Fabricate your own 9 in. Ford housing with our Quarter-Max fabricated housing kit. Kit includes a Quarter-Max 9 in. Ford housing face plate, banjo, inside bulkhead support, 45 in. or 60 in. short...QM-304107-45$316.04 -
Quarter-Max 9 in. Ford Fabricated Housing Kit, Mild Steel, 60 in. Wide
Quarter-Max
$360.14Fabricate your own 9 in. Ford housing with our Quarter-Max fabricated housing kit. Kit includes a Quarter-Max 9 in. Ford housing face plate, banjo, inside bulkhead support, 45 in. or 60 in. short...QM-304107-60$360.14 -
Quarter-Max Anti-Roll Bar Kit
Quarter-Max
$262.99 - $269.99Perfect for cars running up to 800 horsepower and up to 4000 pounds!Our Quarter-Max Anti-Roll Bar Kit is the most affordable kit on the market. Featuring a 1 in. .188 in. wall 4130 shaft, available...QM-301195 | QM-301195-1$262.99 - $269.99 -
Quarter-Max Diagonal Link Kit
Quarter-Max
$99.74Diagonal link kits are a very simple method to center the rear end.The Quarter-Max Diagonal Link Kit comes with 1" O.D. x .058" wall 4130 tube, mild steel rod ends, steel clevises with a 5/8" hole...QM-201109$99.74 -
Quarter-Max Pro 9 in. - 10 in. Rear End Housing, 4130, 40 in. Wide
Quarter-Max
$1,680.00Engineered for strength and precision, this housing is crafted from durable 4130 chromoly with 3-1/2" axle tubes, designed to handle serious power. The housing features a centered pinion and is...QM-204109-40$1,680.00 -
Quarter-Max Pro 9 in. - 10 in. Rear End Housing, 4130, 50 in. Wide
Quarter-Max
$1,706.25Constructed from premium 4130 chromoly, the Quarter-Max Pro Bare Housing is engineered for high-performance applications. Featuring a centered pinion and robust 3-1/2" axle tubes, this housing is...QM-204109-50$1,706.25 -
Quarter-Max Pro 9 in. - 10 in. Rear End Housing, 4130, 60 in. Wide
Quarter-Max
$1,732.50This housing is precision-engineered for serious racers, accommodating 9", 9.5", and 10" ring gears. Constructed from lightweight yet incredibly strong 4130 chromoly, it features 3.5" axle tubes and...QM-204109-60$1,732.50 -
Quarter-Max Rear End Housing Back Brace
Quarter-Max
$100.78 - $157.50Give your Quarter-Max housing the extra support it needs with a back brace. This brace is laser cut and CNC bent to fit the 45" Quarter-Max housings (some notching during installation may be...QM-304105 | QM-304106$100.78 - $157.50 -
Quarter-Max Threaded Shock Mounts
Quarter-Max
$49.99Made from 7/8" .210 tube. Utilizes ½"-20 threads. Comes with bolts and rod end misalignment spacers.QM-201210$49.99 -
Quarter-Max Wheelie Bar Rear End Housing Bracket Kit
Quarter-Max
$72.44These weld on Quarter-Max Wheelie Bar Rear End Housing Brackets are the choice for non-ladder bar and non-4-link door car applications. They provide an excellent and inexpensive way to support your...QM-302123$72.44 -
Quarter-Max Wishbone Kit, Bolt-On
Quarter-Max
$191.09Wishbones are the preferred way to mount and keep the rear end housing in the center of the car. Wishbones offer more strength and less flexibility than a diagonal link.Our Quarter-Max Wishbone Kit...QM-301201$191.09 -
Quarter-Max Wishbone Kit, Weld-On
Quarter-Max
$179.54Wishbones are the preferred way to mount and keep the rear end housing in the center of the car. Wishbones offer more strength and less flexibility than a diagonal link.Our Quarter-Max Wishbone Kit...QM-301201-1$179.54 -
RACEPAK Wheelie Bar Load Cell
Racepak
Retail: $506.95$449.95Used for measuring the load pressure on the wheelie bars during launch. Requires V-Net Module and Sensor. 5/8" shank.RAC-800-SN-WBLOADRetail: $506.95$449.95 -
RACEPAK Wheelie Bar Pressure V-Net Module with Sensor, Right, 0-5000 PSI
Racepak
Retail: $418.95$371.95Pressure, Wheelie Bar, Right, 0-5000 PSI.Wheelie bar pressure is useful when trying to determine whether or not the chassis is "unloading" when launching. Used in conjunction with the Racepak wheelie...RAC-220-VP-PT-WBR5KRetail: $418.95$371.95 -
Rear End Narrowing Kit
$720.00Narrow any rear end for racing or rodding applications with this precision-made kit. A 1-1/2 in. x 72 in. lineup bar is passed through the trimmed rear-end housing and the inner bearing blocks...QM-204107$720.00 -
Side Bar Rider Seat Base Mount, Titanium
Quarter-Max
$104.99Crafted from premium 1/8" thick titanium, this mounting plate offers superior rigidity compared to aluminum while significantly reducing weight compared to steel. The 9-3/8" x 4-7/8" surface...QM-411248$104.99 -
Slim-Line Wheelie Bar Wheel Housing Kit, 4130
Quarter-Max
$59.99This 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-201204-2$59.99 -
Slim-Line Wheelie Bar Wheel, 8-Hole
Quarter-Max
$161.79Our innovative QM Slim-Line Wheelie Bar Wheels are made of high-strength polyurethane and feature widths 1-5/8" at the hubs and a slim tread width of 1/2".Specifications:• Material: Polyurethane•...QM-219707-2$161.79 -
Slim-Line Wide Wheelie Bar Wheels, 6-Spoke, 1-5/8 in. Hub Width
Quarter-Max
$267.74Slim-Line Wide Wheelie Bar Wheels, 6-Spoke, 1-5/8 in. Hub Width Specifications:• Material: Polyurethane• Style: 6-spoke• Available hub widths: 1-5/8" Sold as a pair.QM-219709-1$267.74 -
Spanner Wrench, 90 Degree, Plated
Quarter-Max
$23.09This 90 degree spanner wrench is specifically designed for the springs on coil over shocks or struts. Eliminate the old hammer/screwdriver technique with this wrench.QM-410736$23.09 -
Strange 12 Bolt Drag Race Rear End with F-Body Mounts, Pro Race Axles, Lightweight Steel Spool, & Pro Gear
Strange Engineering
This item ships truck freight only. Please call 309-343-7575 to order.12 blt F-body Drag race rear end / spool / pro gear / less brakesApplication1982-2002 Camaro / Firebird / Trans Am 1982-1992Will...STR-PRG230 -
Strange 12 Bolt F-Body Street Rear End with Heavy Duty 33 Spline Posi Unit for 1982-1992 Camaro / Firebird / TA
Strange Engineering
This item ships truck freight only. Please call 309-343-7575 to order.12 bolt 82-92 F-body complete street rear end / less brakesApplication1982-1992 Camaro / Firebird / Trans Am DescriptionStrange...STR-PRG200 -
Strange 12 Bolt F-Body Street Rear End with Heavy Duty 33 Spline Posi Unit for 1993-2002 Camaro, Firebird, & T/A with ABS
Strange Engineering
This item ships truck freight only. Please call 309-343-7575 to order.12 bolt rear end F-body complete street rear end for ABS / less brakesApplication1993-2002 Camaro / Firebird / Trans AmUsing...STR-PRG210 -
Strange 2-Piece Axle Housing Ends - Long, 2.100" Wide
Strange Engineering
$248.06Long Housing ends for 2-piece axle, 2.100" wide. These housing ends are required when using the new Strange 2-Piece axles. Long end available for retrofitting housings. Sold as a pair.STR-Z0206D01$248.06 -
Strange 2-Piece Pro Stock Axle Housing End
Strange Engineering
$100.00ApplicationTwo Piece Pro Stock Axle DescriptionStrange Housing EndSold as each Features• 4130 billet chrome moly steel• Butt weld design• For 3 1/4″ or 3 1/2″ OD tubing• Black oxide finish• Designed...STR-L5500SBB$100.00