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1980 GMC Chassis Components
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Summit Racing™ Dual-Exhaust Transmission Crossmembers
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.
( 598 )
$59.99
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$445.99
Summit Racing™ Frame Brace Kits
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
( 70 )
$1,299.98
Summit Racing™ Cummins Conversion Crossmembers
Summit Racing™ Cummins conversion crossmembers are specifically designed for installing a Cummins 6BT into your 1973-87 Chevy 4WD truck or 1973-91 4x4 Suburban. These drop conversion units often eliminate the need for a lift kit. They're a direct bolt-in, utilizing OEM hole locations, yet still allow room for drilling and adding additional bolts for increased rigidity. The crossmembers are made from high-quality steel with a black powdercoat finish. It's a fact—any conversion can be tricky. Thankfully, Summit Racing™ offers the correct components to help you get the job done right!
( 7 )
$232.99
Key Parts Wheel Tubs
Key Parts wheel tubs are original equipment, factory-style body panels suited for a professional restoration project. Over the years your original wheel tubs can become rusted, dented, cracked, or scratched, especially on classic vehicles that take the most beating from rain, road salt, dirt, and debris. Key Parts offers wheel tubs that are based on original specifications and dimensions—or you can get the extended width tubs, which are 4 in. wider than stock tubs to make room for wider tires! That makes stuffing those big wheel tire combinations much easier and driver friendly. The tubs EDP coating ensures a long-lasting durable finish for transport and storage, and they are ready for standard prep work prior to installation and paint for show quality results. Repair or replace rusted wheel tub body panels with high-quality, affordable reproduction wheel tubs from Key Parts. Order the wheel tubs for your application needs.
Not Yet Reviewed
$196.99
Summit Racing™ Transmission Crossmembers
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 )
$73.99
On Sale
Hooker Blackheart Transmission Crossmembers
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
( 29 )
$299.95
$168.80
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$306.95
Trans-Dapt Performance Crossmembers
Trans-Dapt Performance crossmembers eliminate the need to fabricate a rear crossmember. Their vehicle-specific transmission crossmembers are available as kits, with braces and mounting pads, or as the crossmember alone. Position your engine and transmission properly and exactly where you need them with quality, durable crossmembers from Trans-Dapt.
( 113 )
$88.99
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$311.99
Ridetech Frame Braces
Ridetech frame braces increase the structural rigidity of your truck or SUV by triangulating the original frame rails and crossmember. These steel reinforcements are powdercoated black to resist the elements, and are available for a wide range of applications. Order a pair to stiffen the chassis and improve the handling on your vehicle.
( 3 )
$335.00
On Sale
Hooker LS Engine Swap Transmission Crossmembers
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.
( 43 )
$384.95
Classic Performance Transmission Crossmembers
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.
( 168 )
$89.99
Allstar Performance Frame Repair Plates
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
GSI Machine and Fabrication Transmission Crossmembers
GSI Machine and Fabrication builds quality parts for classic Chevy trucks, offering a full line of custom and replacement parts for C10 trucks. GSIMFAB has designed a universal transmission crossmember that will fit your 1963-87 Chevy/GMC truck, and are the same ones that are in GSI's front suspension kits. These crossmembers allow you to adapt various transmissions into your truck and set your pinion to your desired specifications. And, because they are universal, they can be flipped upside down to get a lower transmission height.
Not Yet Reviewed
$99.99
Manufacturer Rebate
Aldan American Shock Braces
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
$193.95
PEM Racing Trailing Arm Brackets
PEM Racing offers trailing arm brackets for a variety of applications, including many Buick, Chevrolet, GMC, Oldsmobile, and Pontiac cars and trucks. Fabricated from steel for a 3 in. tubing diameter, the brackets are available in weld-on or bolt-on models. These trailing arm suspension parts mount the trailing arm to the vehicle's frame or axle. They typically include mounting points for the trailing arm, shock absorbers, and sometimes springs. Trailing arm suspensions are often found in rear suspension systems, and the bracket helps to control the movement and location of the trailing arm.
Not Yet Reviewed
$124.99
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$152.99
American Powertrain X-Factor Crossmembers
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.
( 33 )
$356.99
Summit Racing™ Lightweight Transmission Crossmembers
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.
( 14 )
$317.99
Rust Buster Transmission Crossmembers
Transmission crossmembers help to distribute and maintain the forces and torque that result from the output of the engine and transmission. As time passes, ageing, exposure to the elements, etc., corrosion can set in creating a dangerous situation. Luckily, with a combined 45 years of experience, the Rust Buster engineering staff have a solution. Their transmission crossmembers will help to maintain your truck or SUV's structural integrity and keep it powering through the roads for years to come. By utilizing the latest in scanner solutions and CAD software, Rust Buster transmission crossmembers are designed and built, capturing all the correct contours and guaranteeing a perfect fit and an easier installation on your vehicle. Put an end to your rust issues with Rust Buster. Select the crossmember designed for your vehicle. Features: * Made from heavy-duty 11-gauge steel * Protective oil coating prevents oxidation during shipping * Back by a Lifetime Warranty * Transmission support plate (where applicable) * Welding required (where applicable) * OEM hole locations * Class 10.9 hardware (where applicable)
Not Yet Reviewed
$329.99
TCI Transmission Crossmembers
TCI transmission crossmembers are available for a range of classic vehicles. They feature all-steel construction for maximum strength and durability with less weight than factory parts. Designed with the do-it-yourselfer in mind, TCI crossmembers offer an innovative 3-axis modular design that is adjustable for optimal fitment across a range of applications. Most models also use the original bolt holes, so crossmember installation has never been easier. A powdercoated finish resists scratches and rust and provides a clean, finished look.
Not Yet Reviewed
$486.95
Rust Buster Fuel Tank Crossmembers
Rust Buster fuel tank crossmembers are designed as a frame repair component, strategically sized to install in place of the factory fuel tank crossmember to provide essential reinforcement to your vehicle's frame. This repair section is designed to seamlessly integrate into your vehicle's frame, while enhancing its overall structural integrity. The fuel tank crossmembers are constructed from premium thick steel, providing exceptional strength and resilience. The bare finish not only showcases its robustness but also allows for customization to suit your aesthetic preferences. The installation process is straightforward with its cut-out and weld-in installation type. To safeguard against rust and corrosion during shipping, this replacement part comes with a rust-preventative oil coating. Order the fuel tank crossmember designed for your application.
Not Yet Reviewed
$259.99
