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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.
( 584 )
$57.99
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$327.99
One of the most effective ways to improve the stiffness and handling of your vehicle is to box the factory chassis. Hellwig Frame FX kits makes it easy for you. Rather than taking considerable time with measuring, cutting, and fitting steel panels these kits simplify the process effectively. Some vehicles have an open C-channel chassis that's only 3 in. wide at the top and bottom. This design is inherently weak in handling torsion and marginal in bending. Frame FX kits double the width of the tension side of the frame rail and close the area for dramatic increases in torsional and bending stiffness. They're comprised of 14 pre-cut 10-gauge steel panels matching the thickness of the factory frame--and fit into the weak points of the factory chassis. Hellwig engineered another panel that adds an extra mount to tie the floor to the chassis, furnishing even more strength to the entire car. In addition, brackets are provided to mount the transmission crossmember, with enough adjustment to accommodate nearly any drivetrain configuration. The increased strength via Hellwig Frame FX kits results in improved handling and ride quality, while retaining the factory chassis and mounting points.
( 20 )
$693.99
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$765.99
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 )
$899.00
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
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$375.95
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
UMI Performance shock tower braces make a great beginning for modifying your favorite ride. These braces positively connect your front right and left shock towers together for firmer handling and improved steering response. Constructed in the USA, UMI shock tower braces are available in DOM mild steel tubing with CNC-machined mounting plates. Or, if you're worried about adding front end weight, choose UMI's just as strong but lighter weight 4130 chromoly steel tubing braces. Both choices are given a brilliant and durable powdercoat finish in several colors. Beef up your chassis and get ready to hit the winding roads with UMI Performance shock tower braces.
( 51 )
$159.99
UMI Performance front reinforcement braces reduce squeaks and rattles common with the GM G-body platform. This welded steel tubing will stiffen the front frame horns and front crossmember area, and no drilling is required for installation. Grade 8 hardware is included to easily bolt the triangular brace onto your chassis. UMI front reinforcement braces are designed and manufactured with pride, and are available in your choice of powdercoat colors.
( 11 )
$294.21
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$297.18
Bolster your street machine with UMI Performance adjustable strut tower braces. Easy to install, these braces offer an inexpensive modification with big benefits. Connecting the front strut towers makes your chassis stronger and fortifies your suspension. You'll feel the improved handling and quicker response in and out of corners. Plus, you'll be able to tweak the braces for a custom fit for your ride. Manufactured in the USA, UMI adjustable braces are crafted from mild steel tubing with CNC-machined 3/16 in. thick mounting plates and 4130 chromoly tube adapters and heavy-duty rod eyes. Strengthen your chassis for improved performance with UMI Performance adjustable strut tower braces.
( 29 )
$159.99
With modern high-grip tires, improved suspension, and big power, today's muscle car chassis need more help than ever. UMI Performance A-body frame rail braces improve chassis rigidity, reduce steering gear movement, and provide crisper handling. UMI pairs precision laser-cut brackets with strong tubing to reinforce the front frame sway bar mounting area. These direct bolt-in braces use existing hardware, require no cutting or welding, and are available in gloss black or UMI red. Features include: * 1.250 in. tubing * 3/16 in. laser-cut brackets * Race-proven * Requires no holes to be drilled. * Can be used with OEM sway bar bushings or aftermarket poly mounts * Installation time is approximately 20 minutes * Tested with factory sway bars and UMI sway bars * Check fitment for other aftermarket or custom sway bars
( 25 )
$159.99
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.
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$137.99
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$159.99
On Sale
Hooker Blackheart transmission crossmembers provide easy installation for a variety of engine and transmission swap combinations. Manufactured from steel with a black powdercoat, these crossmembers are designed to be used with Blackheart engine adapter plates for a trouble-free LS, LT, Hemi, Coyote, etc. engine swap. Order the model recommended for your vehicle. Blackheart crossmember features: * Comprehensively designed as an integral part of the complete Hooker swap system, providing maximum level of inter-component compatibility * Designed specifically for use with Hooker engine adapter plates * High-arch exhaust passages provide maximum available exhaust ground clearance * Design geometry replicates stock drivetrain height, inclination angle, and offset for optimized vehicle and component compatibility * High-strength/low alloy steel construction provides desirable balance of strength, stiffness, weight, and cost * Powdercoat finish provides attractive, corrosion-resistant appearance * Provide bolt-in compatibility with Hooker/Holley engine mounts, swap headers, exhaust systems, and oil pans * Hardware included
( 27 )
$449.95
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
Summit Racing™ keeps you on track for racing with our 9 in. Ford Grand National rear-end housings. Fabricated for Circle Track performance, these housings offer quality at competitive pricing. Summit Racing™ Grand National rear-end housings are built with .188 in. wall DOM steel tubes and CNC-machined Grand National snouts, and then the axle tubes are turned for the easy installation of birdcages and suspension mounts. The housing comes with either new stamped or reconditioned centers, plugs, bungs, carrier studs, and steel differential covers. Or, choose metric GM mounts for your IMCA stock car. Get ready to race with the quality and value of Summit Racing™ 9 in. Ford Grand National rear-end housings. .
( 2 )
$775.99
Goodmark frame rails are pre-bent to fit your specific vehicle application. They're manufactured from high-quality steel and are available with a natural finish or EDP coating. These replacements are offered in a wide range of configurations for classic cars and trucks from the 1960s, '70s, and '80s. For repair or restoration, order the model (and position) recommended to fit your vehicle.
( 7 )
$225.99
UMI Performance transmission crossmembers are designed for late model F-bodies. These crossmembers are built using 0.120 in. rectangular tubing, 0.188 in. mild steel mounting plates, and a 0.375 in. thick transmission mount. These crossmembers are powdercoated bright red or gloss black and include new mounting hardware.
( 5 )
$349.99
These tubular braces from QA1 are designed to work with GM A-body and G-body trailing arms to accurately locate the rear suspension. This creates major improvements in cornering, steering response, and traction, with less wheel-hop and more power to the ground.
( 8 )
$178.95
Hooker transmission crossmember spacers are designed as part of a fully-engineered LS swap mounting system—and for compatibility with an aftermarket polyurethane transmission mount or stock replacement rubber mount of equivalent installed height. Machined from aluminum, these spacer only kits (bolts not included) will help facilitate installation of a GM 4L60-4L70 transmission into any LS-swapped 1968-72 A-body utilizing Hooker transmission crossmembers.
( 4 )
$45.36
BMR Suspension shock tower braces put a bite in your traction! By tying the shock mounts together, you strengthen the front subframe assembly and minimize tower deflection for less flex and body roll. These steel braces do just that. They're made strong from hefty tubing to ensure zero deflection under load. With their easy installation, BMR shock tower braces are impressive improvements that give you the edge you need while driving.
( 54 )
$99.95
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$109.95
On Sale
Get your LS engine installed properly using one of these Hooker transmission crossmember extension brackets. They are manufactured from quality materials and bolt in place for an easy installation. The brackets are available for different types of transmissions, so they're sure to have you covered.
( 4 )
$45.36
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$80.95
Save money over the dealer price with Goodmark rear frame crossmembers. Manufactured from steel, they provide an OE fit and performance, just like the originals you are replacing. Restore and/or repair your classic vehicle with "the original mark of quality"—Goodmark.
Not Yet Reviewed
$138.99
Allstar Performance frame repair plates support your metric GM car and truck chassis. If your vehicle's framework is cracked, bent, or sagging, these repair plates will help you eliminate the frame flex on your restoration or repair.
( 1 )
$29.99
Add additional support and chassis reinforcement to your vehicle's suspension with Aldan American shock braces. These shock and struct tower braces are made from the highest quality materials and finishes. These components help reduce chassis flex, and when combined with adjustable shocks or coilovers add a new level of suspension control.
Not Yet Reviewed
$157.95
Fabricated frames eliminate shortages and saves time and cost without making existing bolt-on parts obsolete. Howe fabricated Chevelle-type frames are made to replace the popular 1977-85 Impala/Caprice GM OEM frame, along with the 1968-72 Chevelle that have become standards for the modified classes. They are available with or without A-frame mounts. Features and benefits: * Howe fabricated frames sell for less than reworked OEM frames, if you can find one. A surviving stock frame that is not crashed or rusted out must be sandblasted, stripped, straightened, and modified to be ready to install. Howe fabricated frames install faster lowering the labor cost of both new cars and repairs. * Howe fabricated frames are compatible with existing components, including lower a-frames, spindles, steering, and springs. Frame rails are made long enough to fit existing nerf bars. * Integral ballast mounts equalize any weight advantage during a transition from factory to fabricated frames. Howe frames are 86 lbs. compared the factory frames, which are 145 lbs. for the Impala and 120 lbs. for the Chevelle. Weight may be added to each side to make the frames equal. * To identify the frame a CNC-cut part number tag is welded on each frame. In addition, a trademarked Howe "H" logo is stamped into each side of the frame rail. Howe will also supply tracks, a tech inspector's drawing, to allow critical dimensions to be checked.
Not Yet Reviewed
$843.99
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