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 Pro Series Anti-Roll Bar Kit
Quarter-Max
$439.99 - $474.99Our Pro Series Anti-Roll Bar Kit works great on all cars up to 1800 horsepower and up to 4000 pounds. We have used this proven design in many Pro Stock, Pro Mod and Top Sportsman cars. The 1-1/2” ...QM-201195x$439.99 - $474.99 -
QM Pro Series Double Adjustable Ladder Bar Kit
Quarter-Max
$692.99 - $799.99Quarter-Max's Pro 4130 Double Adjustable Ladder Bars are built with 4130 1-1/4” top tubes and 1-3/8” bottom tubes with an original QM design to eliminate the side load placed on the heims which can...QM-302103-x$692.99 - $799.99 -
QM Pro Series Four Link Chassis Bracket Doubler Plate for Blank - No Notch (Universal) Brackets, Lower
Quarter-Max
$14.99Doubler 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-411003$14.99 -
QM Pro Series Four Link Chassis Bracket Doubler Plate for Blank - No Notch (Universal) Brackets, Upper
Quarter-Max
$31.49Doubler 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-411002$31.49 -
QM Pro Series Four Link Chassis Bracket Doubler Plate, Lower
Quarter-Max
$24.14Doubler 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-410686-1$24.14 -
QM Pro Series Four Link Chassis Bracket Doubler Plate, Upper
Quarter-Max
$31.49Doubler 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-410686-2$31.49 -
QM Pro Series Four Link Chassis Brackets for Round Tube Back-Halfs, 4130
Quarter-Max
$430.49Quarter-Max's Pro Series 4-link chassis brackets were designed to hold up to high horsepower and have been race proven on Quarter-Max race cars for years. They are manufactured in-house to high...QM-410599$430.49 -
QM Pro Series Four Link Housing Brackets for Billet Adjustable Shock Mounts
Quarter-Max
$281.36 - $359.96Quarter-Max's Pro Series 4-link housing brackets were designed to hold up to high horsepower and have been race proven on Quarter-Max race cars for years. They are manufactured in-house to high...QM-410019-x-AS$281.36 - $359.96 -
QM Pro Series Ladder Bar Hoop Bracket
Quarter-Max
$8.39Pro Ladder Bar Hoop BracketSpecifications:• Thickness: 3/16"• Material: Mild steelSold each.QM-410212-1$8.39 -
QM Pro Series Wishbone Kit
Quarter-Max
$330.74Wishbones 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 Pro Series Wishbone Kit...QM-201201$330.74 -
QM Pro Series Wishbone Slide Tube, 1" O.D.
Quarter-Max
$81.89Upgrade your Quarter-Max wishbone with our precision CNC Pro Series Wishbone Slide Tube. Machined wrench flats to tighten rod end jam nut.Specifications:• Material: 4130• O.D.: 1"Does not include...QM-201198$81.89 -
QM Pro Welded Custom 9"-10" Fabricated Rear End Housing
Quarter-Max
This high-performance Quarter-Max Pro Welded Custom Housing is engineered for serious racing applications. Featuring a centered pinion design and chromoly construction, it offers superior strength...QM-204109 -
QM Pro Welded Dual 10" - 11" 4130 Pro Mod Floater Rear End Housing with Adjustable Shock Mounts
Quarter-Max
Engineered for serious performance, the Quarter-Max Pro Mod Welded Custom Housing offers a centered pinion design for optimal driveline geometry. Constructed from high-strength chromoly, this housing...QM-204109-11-PMAS -
QM Pro Welded Dual 10"-11" Fab Floater Housing
Quarter-Max
Quarter-Max Pro Welded Custom Dual Pattern Floater HousingEngineered for serious performance, the Quarter-Max Pro Welded Custom Dual Pattern Floater Housing is a top-tier choice for your racing...QM-204109-11 -
QM Pro Welded Dual 11" 4130 Pro Mod Floater Rear End Housing
Quarter-Max
Engineered for serious performance, the Quarter-Max Pro Mod Welded Custom Housing offers a centered pinion design for optimal driveline geometry. Constructed from high-strength chromoly, this housing...QM-204109-11-PM -
$14.69 -
$10.49 -
QM Profiled BBC Motorplate
Quarter-Max
$203.69Profiled BBC Motorplate Specifications• Made of 6061-T6 1/4" aluminum • 34-1/4" Overall Width • 28-5/8" Notch Width Note: This motorplate requires qty-4 #217065 press-in bushings. Sold separately.QM-213102$203.69 -
QM Profiled Big Block Chevy Motorplate
Quarter-Max
$203.69Profiled Big Block Chevy Motorplate• 30-1/2" notch to notch• 36-15/16" overall length Note: This motorplate requires qty-4 #217065 press-in bushings. Sold separately.QM-213125$203.69 -
QM Profiled SBC Motorplate - Aurora Short Block
Quarter-Max
$203.69This motor plate is made from 1/4" thick 6061-T6 aluminum and has a Small Block Chevy bolt pattern. This motor plate is profiled. Fits Aurora Short Block only. Specifications• Made of 6061-T6 1/4"...QM-213124$203.69 -
$3.14 -
QM Quick Connect Chassis Fitting, Wiggins Style, 4130 Steel
Quarter-Max
$89.24Quick Connect Chassis Fitting, Wiggins-style, notched to fit 1-3/8" tube. Tired of complicated blow-back solutions? Upgrade your vehicle with our innovative Wiggins Style Quick Connect Chassis...QM-420620$89.24 -
QM Racepak Laser Ride Height Bracket, Universal
Quarter-Max
$4.19This universal mounting bracket is designed to fit the new style Racepak ride height sensor RAC-810-SN-RHB2. Specifications:• Material: Mild Steel• Size: 2" x 1-1/2"QM-411023$4.19 -
$5.24 -
$5.24 -
QM Radius Tab, 4130, Fits 1-1/2 in. Tube, 1/2 in. Hole, 1/8 in. Thick
Quarter-Max
$5.24Radius TabSpecifications:• Material: 4130• Fits 1-1/2 in. tube• Hole Size: 1/2 in.• Thickness: 1/8 in.Sold individually.QM-410738$5.24 -
QM Radius Tab, 4130, Fits 1-1/2 in. Tube, 1/2 in. Hole, 3/16 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-1/2 in. tube• Hole Size: 1/2 in.• Thickness: 3/16 in.Sold individually.QM-410738-1$6.29 -
QM Radius Tab, 4130, Fits 1-1/2 in. Tube, 3/8 in. Hole, 1/8 in. Thick
Quarter-Max
$4.19Radius TabSpecifications:• Material: 4130• Fits 1-1/2 in. tube• Hole Size: 3/8 in.• Thickness: 1/8 in.Sold individually.QM-410734$4.19 -
QM Radius Tab, 4130, Fits 1-1/2 in. Tube, 3/8 in. Hole, 3/16 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-1/2 in. tube• Hole Size: 3/8 in.• Thickness: 3/16 in.Sold individually.QM-410734-1$6.29 -
QM Radius Tab, 4130, Fits 1-1/4 in. Tube, 1/2 in. Hole, 1/8 in. Thick
Quarter-Max
$5.24Radius TabSpecifications:• Material: 4130• Fits 1-1/4 in. tube• Hole Size: 1/2 in.• Thickness: 1/8 in.Sold individually.QM-410737$5.24 -
QM Radius Tab, 4130, Fits 1-1/4 in. Tube, 1/2 in. Hole, 3/16 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-1/4 in. tube• Hole Size: 1/2 in.• Thickness: 3/16 in.Sold individually.QM-410737-1$6.29 -
QM Radius Tab, 4130, Fits 1-1/4 in. Tube, 3/8 in. Hole, 1/8 in. Thick
Quarter-Max
$4.19Radius TabSpecifications:• Material: 4130• Fits 1-1/4 in. tube• Hole Size: 3/8 in.• Thickness: 1/8 in.Sold individually.QM-410735$4.19 -
QM Radius Tab, 4130, Fits 1-1/4 in. Tube, 3/8 in. Hole, 3/16 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-1/4 in. tube• Hole Size: 3/8 in.• Thickness: 3/16 in.Sold individually.QM-410735-1$6.29 -
QM Radius Tab, 4130, Fits 1-5/8 in. Tube, 1/2 in. Hole, 1/8 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-5/8 in. tube• Hole Size: 1/2 in.• Thickness: 1/8 in.Sold individually.QM-410739$6.29 -
QM Radius Tab, 4130, Fits 1-5/8 in. Tube, 1/2 in. Hole, 3/16 in. Thick
Quarter-Max
$4.99Radius TabSpecifications:• Material: 4130• Fits 1-5/8 in. tube• Hole Size: 1/2 in.• Thickness: 3/16 in.Sold individually.QM-410739-1$4.99 -
QM Radius Tab, 4130, Fits 1-5/8 in. Tube, 3/8 in. Hole, 1/8 in. Thick
Quarter-Max
$4.19Radius TabSpecifications:• Material: 4130• Fits 1-5/8 in. tube• Hole Size: 3/8 in.• Thickness: 1/8 in.Sold individually.QM-410733$4.19 -
QM Radius Tab, 4130, Fits 1-5/8 in. Tube, 3/8 in. Hole, 3/16 in. Thick
Quarter-Max
$6.29Radius TabSpecifications:• Material: 4130• Fits 1-5/8 in. tube• Hole Size: 3/8 in.• Thickness: 3/16 in.Sold individually.QM-410733-1$6.29 -
$5.24 -
$14.69 -
$32.54