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Summit Racing™ frame brace kits are designed to easily install and strengthen the factory frame of your classic car or truck. The benefit of stiffening the frame is improved handling and a tight predictable feel. Reinforce your chassis and create a custom pro touring style, corner carving ride with these Summit Racing™ frame brace kits. *Constructed From DOM tubing *Computer Designed, Machined, and Bent *Welding Required for most kits *Adjustable transmission crossmember for Manuals or overdrives included *Generous openings for Dual Exhaust pipe routing *Exhaust hangers provided
( 67 )
$199.99
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$979.99
Summit Racing™ steel transmission crossmembers allow you to run a true dual-exhaust system with most popular GM transmissions. They have a patented double-hump design, so you don't have to compromise ground clearance by running pipes under the crossmember, and they're a complete bolt-on deal—no custom fabricating or realignment is needed. The parts are made from 1/8 in. thick boxed tubing to handle the frame-twisting power of big blocks. Order the crossmember recommended for your vehicle and transmission application.
( 585 )
$319.99
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$329.99
Put some extra beef in your muscle car with Tin Man Fabrication subframe connectors. Their precision-built steel subframe connectors are strong, easy to install, and require no cutting into your floor pans, making them perfect for your finished car! These robust subframe connectors are fabricated from 2 in. 11-gauge square tubing with 11-gauge plates. They provide a unique fit, slipping inside of your front subframe, closely following the floorboard contours front to back, and linking to the underneath and side of your rear subframe to securely weld in place. Complementing their driveshaft loops, Tin Man Fabrication subframe connectors offer solid, quality American craftsmanship priced competitively for you, the average or avid car guy.
( 37 )
$194.99
Classic Performance 1962-67 Chevrolet Nova front subframe kits are one of the most beneficial upgrades available for your first generation Nova. By eliminating the factory strut rods and adding adjustable forward control arms, they add stability, align-ability, improved steering response, and over 2 in. of additional ground clearance. They can accommodate both factory and aftermarket sway bars with up to 1 in. diameters and feature a unique 1-piece crossmember that ties both frame rails together by bolting in where the factory strut rod mounts were located. No cutting or welding required, the installation is all bolt-in. Kits include: * 2 one-piece, 1 1/4 in., 0.120 wall DOM tubular lower control arms with Classic Performance premium ball joints * Bolt-in, 1/4 in. thick steel crossmember * Four alignment cam kits * Grade 8 mounting hardware * Low-friction, long-life bushings * Optional upper control arm bushings
( 15 )
$838.99
Summit Racing™ transmission crossmembers allow proper mounting of your applications transmission. They're available for a variety transmissions and are manufactured to each vehicle's specifications for a precision fit. The durable steel crossmembers come with all necessary installation hardware.
( 12 )
$76.99
QA1 Mopar K-members are direct bolt-ins for Chrysler, Dodge, and Plymouth vehicles. They are manufactured from quality materials and are engineered for maximizing strength. The K-members feature motor mount attachment points to accept factory and aftermarket motor mounts, and their tubular design also allows for increased header clearance.
( 28 )
$861.95
Strengthen your transmission support and reduce the weight of your vehicle with Summit Racing™ lightweight transmission crossmembers. Through advanced design and manufacturing, these crossmembers are stronger than standard boxed-steel transmission crossmembers, while weighing an average of 35-percent less. The crossmembers are a direct bolt-in and do not require any additional brackets or adapters to complete the installation. They also allow you to run a true dual-exhaust system with most popular GM transmissions and do not affect ground clearance. The welded design with clear powdercoat finish gives these lightweight crossmembers a fabricated look that's sure to complement your ride. Order the model recommended fit your application.
( 13 )
$329.99
Auto Metal Direct torsion bar crossmembers feature the same metal thickness and contours as OEM--and the area holding the torsion bars will accept stock size bars, as well. These replacement panels span from side to side, offering integral support to your vehicle's chassis. The crossmembers are manufactured from durable steel and then EDP-coated for maximum protection.
( 10 )
$389.99
Auto Metal Direct makes heavy-gauge steel rails designed to fit perfect and weld-in easily since they are superior reproductions of the factory original. Frame rails can become weakened by rust, attempts at pushing or towing, or damaged due to an accident, which can adversely affect other chassis components and make your vehicle unsafe to drive. Don't compromise your vehicle—or safety—with cheap replacement parts. For quality parts and components that you need for your classic vehicle, trust the pros at AMD.
( 3 )
$529.99
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$599.99
If you're going racing and have a hi-po engine in your unibody car, you might end up losing traction or twisting the body. What you need is extra support, and Competition Engineering subframe connectors give you that. Constructed of mild steel tubing, these connectors include all hardware and instructions.
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$248.99
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$276.99
Hotchkis Sport Suspension weld-on subframe connectors strengthen the chassis of your unibody to increase cornering and straight line performance. They're engineered to provide maximum ground clearance, while reducing annoying rattles and squeaks.
( 51 )
$499.99
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$539.10
American Powertrain X-Factor crossmembers offer half the weight of traditional crossmembers—with all of the strength. Designed to fit with most muscle car platforms and the latest transmissions, X-Factor aluminum crossmembers are 1,000 hp strong and feature a powdercoat finish for added durability. They're available for a variety of vehicle and transmission applications.
( 34 )
$289.95
Complete your restoration project with Scott Drake! Scott Drake manufactures these frame rails from high-quality steel and paints them black to prevent corrosion. Trust in Scott Drake to get your ride back onto the open road.
( 2 )
$349.95
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$381.95
Competition Engineering formed rear frame rails adds some beef to your suspension. The "chassis people" have designed and manufactured these to replace the stock sheet metal rear rails in your subframe equipped car. CE's rails are mandrel-formed 2 in. x 3 in. x .083 in. wall mild steel tube that will increase the chassis strength for quicker vehicle reaction times. Plus, they have been engineered to move the leaf springs and frame rails inboard to provide additional tire clearance. Strengthen your suspension to put more power to the pavement utilizing a pair of Competition Engineering formed rear frame rails. Additional information: * Designed to fit stock floor contours with minor fabrication * Requires use of a fuel cell, rear fenderwells and an upper shock crossmember * Use with Competition Engineering weld-in subframe connectors * Two rails and hardware per kit
( 16 )
$416.99
On Sale
Hooker LS engine swap transmission crossmembers are built to mount the transmission in place when switching to an LS engine. They are designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety, and appearance. The crossmembers are manufactured from high-strength, low-alloy steel and then black powdercoated for maximum durability. They provide an engineered 3 to 3.5 degree engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles. They are designed to be used in conjunction with Hooker LS engine swap brackets to provide a bolt-in installation of Hooker LS swap manifolds, headers, and exhaust systems for this application.
( 42 )
$359.95
Speedtech Performance USA frame brace kits prevent the sloppy, unpredictable feel of a weak body frame. You can increase rigidity by linking these braces to the strong structural undersides of your chassis. The braces are constructed from 1.5 in. DOM steel tubing that's computer designed, machined, and CNC-bent for consistent fitment. Speedtech Performance brace kits offer the reinforcement your race chassis demands.
( 10 )
$934.96
Ridetech subframe connectors add rigidity to your vintage vehicle's chassis and improve performance by reducing chassis flex. Modern tires and aftermarket suspension components are pushing the limits of OEM chassis designs. Ridetech's subframe connectors offer simple bolt-on reinforcement to significantly increase the performance of the chassis and dramatically transform the handling and ride quality. Connectors are fabricated from 1.5 in. x 3 in. x .125 wall steel for high strength, then bathed in a durable powdercoat finish for long-lasting, high-quality appearance. Order the pair recommended for your muscle car application.
( 12 )
$675.00
On Sale
Doug's Headers offers engine swap transmission crossmembers for a variety of classic Chevrolet and GMC applications. They are CAD-CAM designed, welded steel with a durable black powdercoat finish for proper fit, strength, and appearance. Ideal for 2WD trucks with GM LS and LT engines, one part number fits with ALL popular late-model manual and automatic transmission swaps. The crossmembers come complete with necessary hardware and detailed instructions. Notes: * Designed to clear up to 3 in. exhaust systems with no loss of ground clearance * Designed for use with Doug's Headers line of LS engine swap products
( 5 )
$335.25
$301.72
Scott Drake frame rails are made of high-quality steel to give the original appearance and strength to your Mustang when installed. They are inner and outer pieces that run from the firewall out and are available for several different models. If you're restoring your vehicle and need new frame rails, Scott Drake has you covered.
( 3 )
$299.95
Heidts chassis stiffeners are designed to strengthen the unibody and improve ride quality. These heavy-duty steel braces are completely bolt-in, with no cutting required. Hardware is included.
( 5 )
$426.00
On Sale
Hurst transmission crossmembers are designed and fabricated from thick steel plate and heavy-gauge steel tubing for a perfect fit and finish. These bolt-in units are much stronger than the factory stock crossmembers and help maintain the correct transmission and driveshaft angles. Precision-cut and fully MIG-welded, they are given a durable black powdercoat finish to last a lifetime and give you peace of mind knowing you are buying the best for your transmission conversion. Trust the company that originally started out making conversion mounts back in 1958, Hurst Performance.
( 7 )
$473.95
Heidts bolt-on subframe connectors are carefully formed to fit the contour of your stock floor. They require no cutting or welding (but can be welded, if you wish) to install, allowing you to retain your stock exhaust, fuel, and brake lines. Heidts connectors are powdercoated black to insure long life and good looks. They come complete with Grade 8 hardware and instructions. Preserve the consistency and performance of your Uni-body chassis with Heidts subframe connectors.
( 12 )
$386.00
Clearance
Are you swapping in a new engine to your Mustang? If so, AJE Suspension Tubular Mustang K-member swap kits should be your choice to drop the engine you want under the hood of your pony. These swap kits are produced exclusively by AJE Suspension with bolt-in K-members that fit your Mustang and the necessary motor mounts to mount any engine--Chevy or Ford! First, AJE motor mounts are stronger than factory setups, so they can handle the power of your turbos and blowers. Second, their K-members are crafted from steel. They offer no bent tubes and triangulated load paths to deliver the strength that you need without adding extra weight that you don't need, as well as extra header/oil pan clearance! The swap kits also include A-arms, coil-over spring kits, and, depending on the application, caster/camber plates. One last thought--if you decide to part with your pony and keep your engine, you'll have plenty of interested parties, as the new buyer can mount any engine they choose without changing the K-member. Why waste money on K-members that mount only one family of engines? Compare price, quality, and design--you'll be ready to update your pony with the suspension technology of AJE Suspension tubular K-member complete Mustang swap kits.
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$2,796.99
$2,293.50
Roadster Shop SPEC chassis kits offer Roadster Shop quality at an affordable price point. The SPEC Series is an engineering-focused approach, using the latest in manufacturing technology, to build the lightest, strongest, and easiest-to-install complete chassis systems. These technologies have been used to streamline procedures resulting in lower cost and shorter lead times. The SPEC independent front suspension is engineered to deliver outstanding performance in a user friendly package. It features proprietary suspension geometry designed to provide the best balance of ride quality and performance in its class. Available as On-The-Shelf, pre-configured chassis or custom specifications to suit your needs. Features and benefits of Roadster Shop SPEC chassis kits include: * Full-chassis performance at a smaller component price * Unparalleled quality * Add the strength of a full frame with no floor modifications on most applications * CNC laser-cut, TIG-welded, and contoured "Laser Rails" frame rails * No kinks, bends, or stressed areas that are prone to flex like mandrel-bent tubing * Stronger, lighter, and more precise * CNC-located factory mounts built into the frame for easy, vehicle specific installation * Frame rails accommodate mini-tubs and wider wheels * Aggressive ride heights for the modern pro-touring look * Choice of coilover or air suspension for many applications * Air suspension chassis will lay the rockers on the ground (varies with tire size) * Truck rear frame rail kick ups engineered for minimal bed modifications while allowing rockers to lie on the ground * Crossmembers and chassis bracing allow 3 in. exhaust * Adjustable, drop-out transmission mounts (tunnel mods may be necessary for larger T-56 and 4L80 transmissions) * Vehicle specific body (cab and bed on trucks), bumper, and core support mounts * Single-adjustable billet coilovers * Power rack and pinion steering * Easy-to-adjust upper A-arm eccentric mounts for fast and accurate alignments * Wilwood Pro Spindles * Parallel 4-bar rear suspension * Ford 9 in. housing with 31 spline axles * Optional mounts, coilovers, sway bars, brake packages, and rear-end gearing available on custom-order chassis * 5 x 4.75 wheel bolt pattern * Frames are shipped as bare steel
( 14 )
$23,256.99
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