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 Billet Lower Control Arm Mounts
Quarter-Max
$409.49The Quarter-Max billet lower control arm mounts make installation quick and easy, and improve the strength and appearance of your chassis and front suspension. These mounts are CNC-machined for a...QM-202113$409.49 -
QM Billet Wishbone Chassis Clevis
Quarter-Max
$95.54These 4130 billet mounts are machined on a CNC machine to exact specifications. They are designed to weld to a 1-5/8" tube and utilize a AM-8T-20 heavy duty 4130 rod end with .125" step bushings (not...QM-420510$95.54 -
QM Billet Wishbone Chassis Mount Kit
Quarter-Max
$199.49These 4130 billet mounts are machined on a CNC machine to exact specifications. They are designed to weld to a 1-5/8" tube and utilize a AM-8T-20 heavy duty 4130 rod end with .125" step bushings (not...QM-201224$199.49 -
QM Billet Wishbone Chassis Mount with 1/2" Hole
Quarter-Max
$95.54These 4130 billet mounts are machined on a CNC machine to exact specifications. They are designed to weld to a 1-5/8" tube featuring a 1/2" hole to fit FK Rod End (FKB-HRSMX8T) Sold Each.QM-420609$95.54 -
QM Blower Restraint Hold Down Bracket
Quarter-Max
$31.49This Blower Restraint Hold Down Bracket is an essential safety component for any car with a blower. Designed to be welded directly to the vehicle's chassis, it provides a secure attachment point for...QM-411204$31.49 -
QM Boot Retaining Ring
Quarter-Max
$11.54Thickness 16 gauge Made of Cold Rolled Mild SteelQM-410296$11.54 -
QM Bottle Clamp "T" Handle
Quarter-Max
$22.04This item is for any racer that has had to change an air bottle in the staging lanes and the last minute. This “T” handle will allow save you valuable time in changing bottles. ¼” -28 thread will...QM-600066$22.04 -
QM Bottle Clamp Mounting Bracket
Quarter-Max
$9.44Weld directly to your chassis to mount your bottle clamp. Specifications:• Thickness: .090"• Material: 4130Sold each.QM-410801$9.44 -
QM Brake Pedal Pad, 4130
Quarter-Max
$11.54Looking for the perfect finishing touch for your custom pedal assembly? This Brake Pedal Pad is designed to provide a sleek, professional look. It's built for a secure and permanent fit, ready to...QM-410048-2$11.54 -
QM Brakeline Tab - Thick
Quarter-Max
$1.98Use to mount bulkhead fittings to your chassis. Fits 1-1/2" tube, 3/8" hole. Thick Brakeline Tab .090” Thk Mild Steel. (Welding Required)QM-217101$1.98 -
QM Brakeline Tab - Thin
Quarter-Max
$1.98Use to mount bulkhead fittings to your chassis.Fits 1-1/2" tube 3/8" hole. Thin Brakeline Tab .065” Thk Mild SteelQM-217101-1$1.98 -
$6.29 -
QM Carburetor Bell Crank Bracket
Quarter-Max
$14.69Specifications:• Material: Steel• Finish: PlatedQM-410634-1$14.69 -
QM Center Point Wheelie Bar Bolt
Quarter-Max
$14.69These 3/8”-24 grade 8 bolts have been machined to the correct length for the QM Wheelie Bar Wheel Housings, and feature a center-point on the head of the bolt to provide an eye-appealing and accurate...QM-0214 | QM-0215$14.69 -
QM Center X Gusset
Quarter-Max
$9.44Weld this bracket to the top and bottom of the center X brace of the chassis base frame to add strength and prevent the welds from cracking. Made of .050" 4130.QM-410740$9.44 -
QM Ceramic Front Wheel Bearing Kit
Quarter-Max
$587.99This ceramic front wheel bearing kit reduces drag on your front wheels. These roller bearings feature ceramic ball bearing for the ultimate in light weight and reducing drag at the same time. The...QM-620035$587.99 -
QM Channel Tab
Quarter-Max
$3.56Weld this channel tab to the roll cage to provide a positive pivoting point for your chute handle or air chute release cylinder. .260" HOLD ID .880" CHANNEL WIDTHQM-217087$3.56 -
QM Chassis Blueprints
Quarter-Max
$524.99Our chassis blue prints are exactly what you’ve been looking for! This bound book contains 10 separate views with color coded tubes. Easy to read and follow. Complete tubing and bracket list is...QM-199200$524.99 -
$5.24 -
QM Chassis Universal Tie Down Bracket, Mild Steel
Quarter-Max
$10.49Weld this mild steel bracket directly to your chassis to create a permanent, heavy-duty anchor point for trailer transport. Built tough to keep your race car firmly secured haul after haul...QM-411009$10.49 -
QM Chevy LS Midplate
Quarter-Max
$138.59Chevy LS Midplate.This midplate is designed to fit LS engines. It is designed to be bolted to the chassis at the top and bottom. The bolt holes in the bottom will fit the Quick Time bellhousing...QM-213230$138.59 -
QM Chevy LS Side Mount Midplate
Quarter-Max
$138.59Chevy LS Side Mount MidplateThis midplate is designed to mount the back of the GM LS engine to your chassis. It is designed to be bolted to the chassis by both sides of the midplate. It has the GM LS...QM-213231$138.59 -
QM Chevy LS Universal Midplate
Quarter-Max
$227.84Our Universal LS Midplate is designed fit LS engines. It has the GM LS bolt pattern and will fit the Quick Time bellhousing.Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x...QM-213233$227.84 -
QM Chevy/DRCE Double Frame Rail Midplate
Quarter-Max
$227.84Chevy/DRCE Double Frame Rail MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Chevy/DRCEQM-213203-1$227.84 -
QM Chevy/Olds Blocksaver
Quarter-Max
$146.99Chevy/Olds Blocksaver. Not to be used as a midplate; this product is meant to be used as a shield to protect the block if you have a large opening in the midplate. Specifications:• Material: 6061-T6...QM-213202$146.99 -
QM Chrysler Hemi TFX Blocksaver
Quarter-Max
$116.54Chrysler Hemi TFX Blocksaver. Not to be used as a midplate; this product is meant to be used as a shield to protect the block if you have a large opening in the midplate. Specifications:• Material:...QM-213128$116.54 -
QM Chrysler Hemi TFX Lightweight Midplate, 1/4" Thick
Quarter-Max
$429.44Chrysler Hemi TFX Lightweight MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"QM-213214-2$429.44 -
QM Chrysler Hemi TFX Midplate, 1/4" Thick
Quarter-Max
$203.69Chrysler Hemi TFX MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"QM-213214$203.69 -
QM Chrysler Hemi TFX Midplate, 3/8" Thick
Quarter-Max
$382.19Chrysler Hemi TFX MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 3/8"• Size: 24" x 24"QM-213214-1$382.19 -
QM Chrysler TFX Motorplate
Quarter-Max
$156.44Chrysler TFX Motorplate Specifications• Made of 6061-T6 1/4" aluminum • 9" overall height • 36" overall widthQM-213112$156.44 -
QM Clamp-On Helmet Hook, 1.5 in. Tube Size, Black Anodized
Quarter-Max
$25.19Hang 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:•...QM-219543$25.19 -
QM Clamp-On Helmet Hook, 1.625 in. Tube Size, Black Anodized
Quarter-Max
$25.19Hang 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:•...QM-219544$25.19 -
QM Clamp-On Helmet Hook, 1.75 in. Tube Size, Black Anodized
Quarter-Max
$25.19Hang 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:•...QM-219545$25.19 -
QM Clamp-On Weight Puck Mount
Quarter-Max
$66.14You can use this billet aluminum mount to clamp ballast to your chassis or roll cage. They are CNC machined from 6061-T6 and have a 1/2”-13 threaded hole for attaching ballast. Sold each.QM-219505-x$66.14 -
QM Clevis 5/8" Hole
Quarter-Max
$12.59Mild steel clevis .190" thick 5/8" hole at bottom (2) 1/2" hole at top.QM-217105B$12.59 -
QM Clutch & Gas Pedal Stop Pad
Quarter-Max
$3.14Crafted from 4130, this stop pad offers exceptional durability and a reliable, positive feel for your clutch and gas pedals. Known for its impressive strength-to-weight ratio and outstanding...QM-411199$3.14 -
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