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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
( 69 )
$199.99
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$1,249.99
Already have a QA1 coil-over conversion system on your C10? QA1 C10 crossmember retrofit kits add powered rack and pinion steering, offers 2 in. of additional drop range (up to 8 in. total), and saves an additional 70 lbs. of weight. These bolt-in upgrades improved drivability and steering feel while achieving the perfect stance. Choose the kit for your model year. Features and benefits: * Powered rack and pinion steering -- Provides quicker and tighter steering, plus increased steering angle when fitting larger wheels and tires and improve geometry for enhanced drivability. * Improved ground clearance -- The tubular design makes your under cab rails the truck's lowest point. Updated lower shock mounts add clearance and new upper shock mounts increase travel for a great ride and performance, even at lower ride heights * Compatible with existing QA1 coilover systems -- Easily swap out a few components on your existing QA1 shocks and control arms, allowing you to upgrade your truck in stages, starting with coilovers and control arms * Easy, bolt-in installation -- The crossmember comes powder coated and ready to install, no cutting or welding your frame. It easily locates the steering rack, and you can choose mounts (sold separately) for common engines.
( 1 )
$2,450.95
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.
( 589 )
$267.99
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$458.99
On Sale
Stifflers Suspension transmission crossmembers are engineered to deliver quality, fit, finish, and functionality. At the core of these kits are Stifflers' unique single-tube crossmembers—adding strength and stiffness beyond that of OEM versions, while offering versatility without the excess weight. They also allow more exhaust clearance. To install, simply slide the mounting sleeves and reposition the spacers to cover your application. They work with OEM and aftermarket transmission mounts, and will maintain your current pinion angle. Stifflers Suspension transmission crossmembers include low-deflection polyurethane bushings in the mounts to dampen driveline vibrations and noise, but for racing applications they can be replaced by optional solid bushings. Order the crossmembers designed for fitment on your make and model.
( 76 )
$249.95
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$299.95
$224.96
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$269.96
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.
( 38 )
$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
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
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$279.00
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$335.25
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.
( 13 )
$76.99
Adding a decent size lift kit or lowering kit onto a truck brings certain requirements. For the latter, you'll need Classic Performance drop center crossmembers to complete the rear end. They feature a 1/4 in. laser-cut steel plate with raised center hoop for eliminating driveshaft interference on slammed trucks. These units bolt into the stock location with no cutting or welding required. Classic Performance crossmembers are designed to accommodate up to 3 in. dual exhausts; and the mounting brackets for trailing arms are welded on at the correct angle to allow for alignment to the rear housing. When planning out the parts needed to safely complete your lowered truck, remember to include Classic Performance drop center crossmembers.
( 12 )
$174.99
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.
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$359.95
$323.95
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 )
$428.99
Eliminate the hassle of fabricating a crossmember and position your engine where you want with these universal crossmember motor mounts from Trans-Dapt. They'll support most small and big block engines and feature different frame rail widths for different engine applications. The crossmember motor mounts are available with or without the motor mount pads.
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$97.99
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$159.99
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.
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$582.99
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$593.99
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
Your muscle car is only as strong as its weakest link, so it's a good thing that Global West Suspension manufactures not just parts, but solutions. These tubular export braces are your solution to chassis flex, control, and handling. Designed to work with Global West coilover kits or stock shock mounts, the hefty steel bolt-on braces replace the Ford stamped steel braces on your Mustang for quicker, safer response during high performance maneuvers. Global West tubular export braces are rigid to maintain tower integrity, and there are no rod ends to allow deflection or to work loose. Order the model recommended for your specific application.
( 7 )
$346.50
Structural integrity is vital to a vehicle chassis. Auto Metal Direct rear frame crossmembers give you alignment, handling, and strength to support heavy components. They are EDP coated steel reinforcements to replace your rusted or damaged factory originals. Correct gauge materials ensure an accurate fit and function. The rear frame area is a mounting point for suspension parts and more.
( 17 )
$143.50
California Pony Cars conversion transmission crossmembers offer strength for your performance driving. CPC manufactures crossmember bars from .090 wall tubular steel--with and without parking brake brackets. They're TIG-welded for maximum strength and powdercoated for a lasting finish. CPC can also provide you with conversion crossmembers in direct bolt-on kits to take your 2-speed to a later 3 or 4-speed with no modification to the unibody, while still allowing easy access for removal of transmission pan. These crossmembers are available for use with dozens of transmission models and numerous Mustang applications from the 1960s and '70s.
( 12 )
$172.00
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$178.95
On Sale
Strengthen the front end suspension on your vintage car—with a big assist from Scott Drake. These export braces are designed to tie in the shock towers to the firewall, reducing fatigue, cracking, and twisting of the chassis. Scott Drake manufactures these braces right from the original Ford blueprint, and they feature the correct deep draw stampings for added strength and an excellent fit. The steel shock and strut braces are available in a variety of finishes to complement your particular vehicle.
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$111.95
$100.75
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$194.95
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
Lose some weight and gain some space with AJE Suspension Mustang tubular K-members. With steel components, your Mustang's front-end will receive K-member suspension technology to make your car that much better than stock. Available with or without engine mounts, AJE Suspension K-members are powdercoated black for exceptional, lasting good looks and will work with factory A-arms and springs with bolt-on perches. Remove some weight and add some strength to your pony with aftermarket AJE Mustang tubular K-members.
( 43 )
$481.99
Install your tranny in the proper position using one of these Classic Performance transmission crossmembers. They're available for a variety of Ford and Chevy transmissions and are manufactured each vehicle's specifications for a precision fit. The durable steel crossmembers come with all necessary installation hardware. Keep your gear system secure and stable with Classic Performance transmission crossmembers.
( 167 )
$89.99
Detroit Speed weld-on subframe connectors join your front subframe and rear frame rails to increase your car's stiffness. These uniquely designed DSE connectors are fabricated from thick-wall rectangular steel tubing. They are bent and TIG-welded in a fixture for accuracy and repeatability. Unlike others, these DSE subframe connectors are barely visible from underneath the car, offering maximum ground clearance. Plus, they won't interfere with seat attachment hardware or the installation and removal of the rear leaf spring pocket. And, your molded factory carpet will still fit over the subframe connectors. Detroit Speed weld-on subframe connectors can be installed on convertibles and are supplied with templates, pictures, and detailed instructions for installation.
( 1 )
$283.95
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.
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$499.99
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$539.10
The more improvements you do to the vehicle, the more demands are put on the body. These Global West subframe connectors provide additional support to increase the integrity of the chassis. They are a must for any performance application. They're built out of round 1 5/8 in. x .125 in. wall roll cage tubing. The construction attaches to the factory support rails located directly under the front seats. The rear portion of the subframe attaches to the rear leaf spring mount and frame rail. Additional gussets are included in the kit, which add support to the rear spring mount. Welding is required for installation.
( 97 )
$225.72
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$229.83
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