Chassis & Suspension
Get the best products at the lowest prices on chassis and suspension components!
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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, Lead & 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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1-1/2" ID Tube Union Bracket
Quarter-Max
$14.99Use qty-2 of this bracket to bolt two pieces of tubing together.Specifications:• 1-1/2" ID• Material: 4130• Thickness: 1/4" Also available in 1-5/8" ID.RJ-411006$14.99 -
Upper Strut Mount
Quarter-Max
$62.99The most popular way to mount upper struts. This style of Upper Strut Mount gives you excellent alignment and is the recommended mounting method for struts. 4130 .125 thick laser-cut brackets. Includes mount pad, and gusset brackets.RJ-202110$62.99 -
Muffler Vent
Quarter-Max
$7.49Bronze/Steel Breather Filter Vent 1/8" NPT Male, 7/16" Length, 7/16" Hex Size.RJ-219101-1$7.49 -
1/2 in. NAS 4-Link Bolt Kit, 1.278 in. Grip
Quarter-Max
$149.99Get worry-free extra bolt strength, and precision fit reducing the slop in your 4-link system from our NAS bolt kit. Includes 8 NAS bolts, AN washers, and MilSpec nuts.Specifications:• Diameter: 1/2 in.• Grip: 1.278 in.• Length: 1.698 in.RJ-201102$149.99 -
Anti-Roll Bar Chassis Bracket
Quarter-Max
$8.99anti-roll bar chassis bracket .125 thick 4130 Hole size 1/4"RJ-410084$8.99 -
.375" ID x 1" ID x 1.250" OD x 1.375" W Bushing, Midplate, 4130
Quarter-Max
$22.99Weld this bushing into the chassis to mount your midplate.Specifications: • Bottom I.D.: .375"• Top I.D.: 1"• O.D.: 1.250"• Width: 1.375"• Material: 4130RJ-420509$22.99 -
ButlerBuilt Head Pad System Support Brackets
Quarter-Max
$7.99 - $8.99To save time on installations, we offer these pre-notched support brackets to be used with the ButlerBuilt Head Pad System #22135. Weld these brackets on to either your 3/4" or 1-1/2" roll cage tubes for quick and easy install. The safety pads simply...RJ-410671 | RJ-410671-1$7.99 - $8.99 -
Pro Series Wishbone Kit
Quarter-Max
$307.99Wishbones 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 features 1/2” and 3/8” NAS bolts, Mil Spec...RJ-201201$307.99 -
1/2 in. Bore x 3/4-16 Thread 4130 Rod End Kit
Aurora Bearing
$649.991/2 in. Bore x 3/4-16 Thread 4130 Rod End Kit Kit includes:• (4) AUR-XAB-8T-2 - 1/2 in. Bore x 3/4-16 Thread LH Male 4130 Rod Ends, PTFE Lined• (4) AUR-XAM-8T-2 - 1/2 in. Bore x 3/4-16 Thread RH Male 4130 Rod Ends, PTFE Lined• (4)...AUR-2151200$649.99 -
$11.99 -
1/2 in. NAS 4-Link Bolt Kit, 1.555 in. Grip
Quarter-Max
$162.99Get worry-free extra bolt strength, and precision fit reducing the slop in your 4-link system from our NAS bolt kit. Includes 8 NAS bolts, AN washers, and MilSpec nuts. Longer bolts for 4-links with doubler plates.Specifications:• Diameter: 1/2 in...RJ-201102-2$162.99 -
Pro Series 4-Link Housing Bracket Doubler Plate, Upper
Quarter-Max
$22.99Doubler 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 longevity and improves consistency by preventing hole...RJ-410687-2$22.99 -
$2.29 -
Lock Collar, 1 In. Tube Size
Quarter-Max
$14.99Use 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., 1-1/4 in., 1-3/8 in., and 1-1/2 in.Sold...RJ-218005$14.99 -
Rear End Housing Faceplate Press-In Stud, 3/8"-24 Thread x 1-3/4" Long
Quarter-Max
$2.49Press-in this housing faceplate stud into the 3rd member mounting flange on 8" and 9" Ford housings for mounting the 3rd member to the rear end housing. Specifications:• Thread: 3/8"-24• Overall length: 1-3/4"RJ-600048$2.49 -
Extreme Series 4-Link Bar Kit, 1-1/2 in.
Quarter-Max
$250.99Extreme Series 4-Link Bar KitKit includes:• (4) 1-1/2 in. 4130 bars, 18 in. long x .095 in. wall• (4) 3/4 in.-16 LH 4130 tube adapters• (4) 3/4 in.-16 RH 4130 tube adaptersSold in set of 4.RJ-201202-2$250.99 -
5/8 in. NAS 4-Link Bolt Kit
Quarter-Max
$184.99Get worry-free extra bolt strength, and precision fit reducing the slop in your 4-link system from our NAS bolt kit. Includes 8 NAS bolts, AN washers, and MilSpec nuts.Specifications:• Diameter: 5/8 in.• Grip: 1.182 in.• Length: 1.726 in.RJ-201102-1$184.99 -
Ladder Bar Housing Brackets, 180°
Quarter-Max
$63.96Quarter-Max's ladder bar housing brackets are manufactured in-house to high quality specifications with precise hole locations and smooth profiles.This bracket is included in our ladder bar kit.Specifications:• Thickness: 1/4"• Material: Mild...RJ-410214$63.96 -
$4.99 -
Motorplate Installation Kit
Quarter-Max
$52.99This 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.RJ-213105$52.99 -
Anti-Roll Bar Mount
Quarter-Max
$8.99Anti-roll arm mount bracket Material 0.125" 4130 Hole sizes 1/4"RJ-410144$8.99 -
Universal Tab
Quarter-Max
$3.99Universal TabSpecifications:• Thickness: .060• Material: 4130• Hole Size: 10/32Sold each.RJ-411000$3.99 -
Wheelie Bar Wheel, Aluminum
Quarter-Max
$34.99Wheelie Bar WheelSpecifications:• Material: Aluminum• Hub width: 1-5/8"Sold each.RJ-219702$34.99 -
1/2 in. 4-Link Jigs
Quarter-Max
$24.98When bolted in place, these jigs maintain the proper spacing between your 4-link brackets while you weld them together. For 1/2 in. bolt holes. (Sold in Pairs)RJ-219806-.500$24.98 -
Billet Wishbone Chassis Mount Kit
Quarter-Max
$189.99These 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 included) to reduce the hole of the rod ends to 3/8"...RJ-201224$189.99 -
Rear End Housing Faceplate Screw-In Stud Kit
Quarter-Max
$56.99Housing Stud Kit includes Quarter-Max housing screw-in face studs, Nylok nut 3/8"-24 grade 8, AN washer 3/8", and 3/8" Hex full nut.RJ-204201$56.99 -
5/8 in. Bore x 3/4-16 Thread 4130 Rod End Kit
Aurora Bearing
$489.994130 Rod End KitKit includes:• (4) AUR-XAB-10 - 5/8 in. Bore x 3/4-16 Thread LH Male 4130 Rod Ends• (4) AUR-XAM-10 - 5/8 in. Bore x 3/4-16 Thread RH Male 4130 Rod Ends• (4) AUR-JNL-1216 - 3/4-16 Thread LH Jam Nuts• (4)...AUR-2151051$489.99 -
Anti-Roll Bar Tab
Quarter-Max
$4.59Anti-Roll Bar TabSpecifications:• Material: Steel• Thickness: 1/8 in.• Hole size: 3/8 in.Sold individually.RJ-217088$4.59 -
QM Universal 4-Link Rails
Quarter-Max
$251.98The QM Universal 4-Link Rails is the perfect way to narrow the rear of your chassis to accept extra-wide racing tires. Our frame rails are of universal design, making them adaptable to any car from Pro Street to Drag Race. The specially engineered...RJ-301104$251.98 -
Spanner Wrench, 180 Degree, Plated
Quarter-Max
$22.99This 180 degree spanner wrench is specifically designed for the springs on coil over shocks. Eliminate the old hammer/screwdriver technique with this wrench. Plated.RJ-410018$22.99 -
Pro Series Wishbone Slide Tube, 1" O.D.
Quarter-Max
$77.99Upgrade your Quarter-Max wishbone with our precision CNC Pro Series Wishbone Slide Tube. Machined wrench flats to tighten rod end jam nut. Greasable.Specifications:• Material: 4130• O.D.: 1"• Includes grease fitting.Does not include rod...RJ-201198$77.99 -
Quarter-Max Wishbone Kit, Bolt-On
Quarter-Max
$181.99Wishbones 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 comes complete with rod ends, housing mounts, and all...RJ-301201$181.99 -
Helmet Hook Weld-on
Quarter-Max
$7.99Weld this hook to your chassis on a 1-5/8" tube to give you a solid convenient hanger.RJ-410593$7.99 -
Ladder Bar Safety Hoop
Quarter-Max
$11.99This ladder bar safety hoop is used to prevent rod end failure. Secures ladder bar from to ground.Specifications:• Thickness: 3/16"• Material: Mild steelSold each.RJ-410210$11.99 -
Shock Pressure Gauge
Quarter-Max
$149.99This handy gauge is used to check the pressure in your Penske shocks. Can also be used to accurately fill the shocks.RJ-214308$149.99 -
Weight Bar Bracket
Quarter-Max
$6.99These weld-on tabs offer you a quick and easy way to mount your ballast. Material 1/8" 4130. Hole size 1/2"RJ-410134$6.99 -
Billet Adjustable Double Shear Shock Mounts, 3/4" Wide
Quarter-Max
$284.99Easily mount your coil-over shocks with our billet adjustable double shear shock mounts, which offer a wide range of adjustability over a fixed shock mount location.The double shear shock mount utilizes 3/8" NAS bolts to mount to the bracket. A 3/8"...RJ-300002$284.99 -
Nitrogen Shock Filling Kit
Quarter-Max
$341.99This Nitrogen Shock Filling Kit includes a 2.5 lb bottle and an adjustable regulator with a coiled hose and air chuck installed.Coil hose rated up to 125# working pressure. Bottle comes unfilled.RJ-219527$341.99 -
1947-1953 Chevy/GMC Truck Rear End Frame Box-In Kit
Quarter-Max
$98.99This kit includes qty-4 pieces of 11 gauge mild steel plate cut on a water jet to box in the inside rear frame of your 1947-1953 Chevy or GMC truck. Boxing in your rear frame will make your frame much stronger and will look like box tubing when the job...RJ-219609$98.99 -
Big Block Chevy Midplate, 7" Center Hole
Quarter-Max
$193.99Big Block Chevy MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Center hole size: 7"RJ-213109$193.99