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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QM Slim-Line Wheelie Bar Wheel, 8-Hole
Quarter-Max
$199.48Our innovative QM Slim-Line Wheelie Bar Wheels are made of high strength polyurethane and feature widths of 1-1/4" or 1-5/8" at the hubs, and a slim tread width 1/2". The combination of slim tread...QM-219707-5 | QM-219707-7$199.48 -
QM Slim-Line Wide Wheelie Bar Wheels, 6-Spoke, 1-1/4 in. Hub Width
Quarter-Max
$267.74Slim-Line Wide Wheelie Bar Wheels, 6-Spoke, 1-1/4 in. Hub Width Specifications:• Material: Polyurethane• Style: 6-spoke• Available hub widths: 1-1/4" Sold as a pair.QM-219709$267.74 -
QM Slim-Line Wide Wheelie Bar Wheels, 8-Hole, 1-1/4 in. Hub Width
Quarter-Max
$199.48Slim-Line Wide Wheelie Bar Wheels, 8-Spoke, 1-1/4 in. Hub Width Specifications:• Material: Polyurethane• Style: 8-Hole• Available hub widths: 1-1/4" Sold as a pair.QM-219707-3$199.48 -
$8.39 -
QM Small Roof Mount
Quarter-Max
$13.64This versatile water-jetted bracket offers a robust solution for mounting a body to a chassis. Constructed from high-strength 4130 chromoly steel, this 5.5"x2" bracket provides exceptional durability...QM-411166$13.64 -
QM Solid State Battery Disconnect Switch Bracket
Quarter-Max
$22.04This Quarter-Max Solid State Battery Disconnect Switch Bracket was designed to be used with the Modern Racing Solid State Battery Disconnect. The Modern Racing switch is required to be used in NHRA...QM-410150$22.04 -
QM Spanner Wrench, 180 Degree, Plated
Quarter-Max
$24.14This 180 degree spanner wrench is specifically designed for the springs on coil over shocks. Eliminate the old hammer/screwdriver technique with this wrench. Plated.QM-410018$24.14 -
QM Spring Spacers
Quarter-Max
$56.69Use these 1” spring spacers to give your car a lift. For 2-1/2” I.D. springs. Sold as a pair.QM-201213$56.69 -
$13.64 -
$4.19 -
QM Standard Wheelie Bar Welded Wheel Housing, 4130
Quarter-Max
$69.99This Standard Wheelie Bar Welded Wheel Housing is fixture welded and is the perfect start for those who want to build their own wheelie bars. Kit includes qty-1 1/2” X 1” stainless steel pin, qty-1...QM-201204-1$69.99 -
QM Standard Wheelie Bar Wheel Housing Kit, 4130
Quarter-Max
$49.99Standard Wheelie Bar Wheel Housing Kit Specifications:• Bracket material: 4130• Wheel housing width: 1-5/8"This wheelie bar wheel housing fits our standard wheelie bar wheels. It can also be fit with...QM-201204$49.99 -
QM Standard Wheelie Bar Wheel Housing Kit, Titanium
Quarter-Max
$159.99Standard Wheelie Bar Wheel Housing Kit Specifications:• Bracket material: Titanium• Wheel housing width: 1-5/8"This wheelie bar wheel housing fits our standard wheelie bar wheels. It can also be fit...QM-201204-T$159.99 -
QM Strange 11" Modular 4-Link Housing Brackets with Doublers, Welded, Titanium
Quarter-Max
$4,759.00Manufactured in-house to the highest quality standards, Quarter-Max's Extreme Pro Series 4-Link Housing Brackets feature precisely machined hole locations and exceptionally smooth profiles. Designed...QM-201216$4,759.00 -
QM Strange Master Cylinder Reservoir Mount
Quarter-Max
$20.99Secure your Strange Master Cylinder Reservoir Kit (STR-B3370RK) exactly where you need it with this high-quality, purpose-built mounting bracket. This mount is designed specifically for the Strange...QM-219564$20.99 -
QM Strange Modular 4-Link Housing Bracket
Quarter-Max
$164.84Quarter-Max's Strange Engineering Modular 4-Link Housing Bracket is manufactured in-house to high quality specifications with precise hole locations and smooth profiles. Features: Integrated...QM-410769$164.84 -
QM Strange Modular 4-Link Housing Brackets with Doublers, Welded
Quarter-Max
$999.99Quarter-Max's Strange Engineering Modular 4-Link Housing Brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. Features: Integrated...QM-410769-1$999.99 -
QM Strange Modular Extreme Pro Series 4-Link Housing Brackets for Billet Adjustable Shock Mounts with Doublers, Welded, 4130
Quarter-Max
$1,671.59Quarter-Max's Strange Engineering Modular Extreme Pro Series 4-Link Housing Brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. Our...QM-201221-2-AS$1,671.59 -
QM Strange Modular Extreme Pro Series 4-Link Housing Brackets for Billet Adjustable Shock Mounts with Doublers, Welded, Titanium
Quarter-Max
$3,769.49Quarter-Max's Strange Engineering Modular Extreme Pro Series 4-Link Housing Brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. Our...QM-201221-2-AS-T$3,769.49 -
QM Strange Modular Extreme Pro Series 4-Link Housing Brackets with Doublers, Welded, 4130
Quarter-Max
$1,299.99Quarter-Max's Strange Engineering Modular Extreme Pro Series 4-Link Housing Brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles. Our...QM-201221-2$1,299.99 -
QM Strange Strut Wrench
Quarter-Max
$18.89Adjust your Strange struts with our custom strut wrench.• Material: 4130• Thickness: .125"QM-410447-1$18.89 -
QM Street 4-Bar Kit with Billet Adjustable Shock Mounts
Quarter-Max
$716.09The Street 4-Bar Kit with Billet Adjustable Shock Mounts is a high quality kit designed for use on hot rods and street rods. The top and bottom 4-link bars were designed to be parallel to each other...QM-300015 | QM-300016$716.09 -
QM Strut Mount Bracket
Quarter-Max
$12.59Overall Size: Approx 2.75 height 2.25 Length Holes: Center 0.375" and(2).312" Material: 4130 Thickness: 0.125”QM-410010$12.59 -
$11.54 -
QM Strut Packers
Quarter-Max
$43.99This new item is used to limit travel on your shocks. This design allows the Packer to slip over the shock shaft and it will stay in place. You can stack as many Packers as you need on top of each...QM-410825$43.99 -
QM Strut Tube Support Tab, 4130
Quarter-Max
$9.44Crafted from 4130, these tabs are built to withstand the high stresses and forces of drag racing. They can be welded directly to your hot rod's chassis or suspension points. Designed to perfectly...QM-411235$9.44 -
QM Tall Deck/Raised Cam BBC Motorplate
Quarter-Max
$203.69BBC Motorplate Specifications• Made of 6061-T6 1/4" aluminum • 32" overall width • 26-1/4" notch width Note: This motorplate requires qty-4 #217065 press-in bushings. Sold separately. <QM-213215$203.69 -
QM TFX Lightened Motorplate, 32" Overall Width
Quarter-Max
$227.84TFX Lightened MotorplateSpecifications:• Material: 6061-T6 aluminum • Thickness: 1/4"• Notch to notch: 26-1/4"• Overall width: 32" Note: This motorplate requires qty-4 #217065 press-in bushings...QM-213127$227.84 -
QM TFX Lightened Motorplate, 34" Overall Width
Quarter-Max
$227.84TFX Lightened MotorplateSpecifications:• Material: 6061-T6 aluminum • Thickness: 1/4"• Notch to notch: 26"• Overall width: 34" Note: This motorplate requires qty-4 #217065 press-in bushings. Sold...QM-213112-1$227.84 -
QM TFX Pro Mod Double Frame Rail Midplate, 14-1/2" Center Hole
Quarter-Max
$275.61TFX Pro Mod double frame rail midplate Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Center hole size: 14-1/2"QM-213226-2$275.61 -
QM Threaded Adjustable Strut Cup Mount Kit For Long Travel Struts, Long 4130 Inner
Quarter-Max
$1,469.99Our 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...QM-201302$1,469.99 -
QM Threaded Adjustable Strut Cup Mount Kit For Long Travel Struts, Long Aluminum Inner
Quarter-Max
$1,099.99Our 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...QM-201300$1,099.99 -
QM Threaded Adjustable Strut Cup Mount Kit For Long Travel Struts, Short Aluminum Inner
Quarter-Max
$949.99Our 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...QM-201301$949.99 -
QM Threaded Adjustable Strut Cup Mount Kit, Long 4130 Inner
Quarter-Max
$859.99Ever since, racers and builders alike have ranked the Quarter-Max Threaded Adjustable Strut Cup Mount as one of the most popular and beneficial upgrades you can make to your chassis. When considering...QM-201398-1$859.99 -
QM Throttle Pedal Bracket
Quarter-Max
$6.29Throttle Pedal Bracket• Material: Steel• Hole sizes: 1/4"QM-410045$6.29 -
QM Throttle Pedal Pad, 4130
Quarter-Max
$9.44Looking for the perfect finishing touch for your custom pedal assembly? This Throttle Pedal Pad is designed to provide a sleek, professional look. It's built for a secure and permanent fit, ready to...QM-410048-1$9.44 -
QM Throttle Return Spring Bracket, 1/4" Hole
Quarter-Max
$4.19Throttle Return Spring Bracket• Material: Mild Steel• Hole Size: 1/4"QM-410992$4.19 -
QM Throttle Return Spring Bracket, 3/8" Hole
Quarter-Max
$4.92This 3/8" hole bracket allows for easy attachment of your return spring. The spring is part #214107.QM-217360A$4.92 -
QM Throttle Spring Bracket
Quarter-Max
$14.69This is designed bolt directly to a manifold bolt and it tall enough so the spring will reach the carburetor. Works great on single 4 barrel applications. (Spring sold separately) Sold Each ...QM-410780$14.69 -
QM Titanium 5-Speed Lenco Mount
Quarter-Max
$39.89This is the same dimensions as our 410041 made from 6AL-4V Titanium with a .375” hole.QM-410041T$39.89