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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.
( 586 )
$268.99
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$463.99
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.
( 111 )
$85.99
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$311.99
UMI Performance tubular K-members instantly remove 25 lbs. from the front of your vehicle, while maintaining strength for streetability and daily use. UMI Performance tubular K-members have been designed to handle everything from drag racing to daily driving and even autocross. Their dual tube center section adds increased strength over the competitors' designs, making them far superior and able to handle everyday stress and abuse. Additional front-end adjustment can also be achieved with these K-members. The lower A-arm slots feature a 1/2 in. adjustment built in and will work with the stock and any aftermarket A-arm setup. The front and rear A-arm slots also feature additional bracing to withstand hard side loads and extreme pressure. These tubular K-members also feature integrated motor mounts, eliminating the stock cast iron mounts for maximum weight savings. Additional features include: * Main center tube constructed from 1.500 in. x 0.120 in. seamless steel tubing * Additional cross braces use 1.250 in. x 0.120 in. seamless steel tubing * TIG and MIG-welded construction for superior strength * Front and rear A-arm mounts CNC-machined and fabricated from 0.188 in. thick steel * Rear A-arm mounts gusseted to withstand extreme side loads and pressure * Dual tube center section adds increased strength over any competitor's design * All mounting plates are CNC-machined to ensure hole-to-hole accuracy * Factory locator pins included for easy installation and exact fit * Completely fixture-welded to ensure factory fitment with no grinding or cutting
( 17 )
$699.99
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$1,566.96
UMI Performance boxed weld-in subframe connectors are necessary chassis upgrades when racing and hard driving habits are present. UMI Performance boxed weld-in subframe connectors greatly improve your car's handling ability, while reducing T-top squeaks, dash rattles, and quarter-panel flexing. Subframe connectors essentially tie the front and rear steel subframes together, resulting in a stiffened and strengthened chassis, allowing for better weight transfer and improved traction when launching. When strength is a concern, square tubing has greater torsion resistance over tubular designs. They will work with all aftermarket exhaust systems and will not affect ground clearance. Their weld-in style requires no bolts to tighten and offer less chance of flex when compared with bolt-in types.
( 23 )
$424.79
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$449.99
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!
( 5 )
$226.99
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 )
$375.95
Hooker Super Competition engine swap transmission mount kits are available for Chevy, Chrysler, and Ford small block and big block engines. These strong mounts are designed from steel and are engineered to provide you with an exact fit and a simple installation. Hooker Super Competition engine swap mount kits are the mounts of choice when matched with the appropriate engine swap.
( 11 )
$449.95
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.
( 32 )
$97.99
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$132.99
UMI Performance torque arm relocation kits are designed to remove the front mounting point of the torque arm off of the transmission and protect the tailshaft from damage. General Motors' tailshaft mounted design works great for a stock-driven vehicle; however, it is not designed to take abuse and hard launches. UMI Performance torque arm relocation kits replace your transmission crossmember with a new, stronger setup with a built-in torque arm mount. Each relocation kit is designed to fit a specific transmission and will work with virtually any stock-style aftermarket torque arm, as well as with the factory torque arm. These units are built using rectangular mild steel tubing and 0.188 in. mild steel mounting plates and they include all hardware needed for installation. The torque arm mount is machined from 0.250 in. thick mild steel and features a new clamshell for appropriately attaching the torque arm to the new crossmember.
( 39 )
$269.99
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
UMI Performance tubular front steering braces, also known as the Wonder Bars, are designed to tie the front right and left subframes together. UMI Performance tubular front steering braces bolt directly under the front sway bar, stiffening the front frame and resulting in improved handling, cornering, and overall performance. The steering braces strengthen the chassis, taking stress from the steering box area, which is well known as a weak area on any third-generation F-body. The steering braces are constructed from 0.250 in. 1018 mild steel CNC-machined mounting points and 1.250 in. DOM steel tubing with a 0.120 in. wall that is fully MIG-welded for extreme strength and lasting performance.
( 38 )
$99.99
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.
( 12 )
$294.21
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.
( 32 )
$159.99
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$239.99
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 )
$418.95
$272.95
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$399.95
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 )
$149.99
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$349.99
Water, dirt, and salt commonly gets trapped between the body mounts and bushings, causing them to rot and rust. Rust Buster body mount brackets are designed to effectively address these common issues. The brackets are made from robust steel, each bracket is engineered for a perfect fit, precision bent and welded, and all necessary factory holes and mounting locations are integrated into the bracket design, ensuring a smooth and straightforward installation process. Rust Buster includes the necessary hardware, all you have to purchase some new bushings, weld-up the new bracket, paint it, install the new bushings, bolt the cab down and you are on the way. Order the brackets for your application needs. Product details: * Made from high-quality heavy-duty 11-gauge steel * By utilizing the latest in Scanner Solutions and CAD Software Rust Busters' engineering team is able to capture your specific model truck's frame contours down to the smallest detail * Each bracket is precision bent and welded for ease of installation and a perfect fit * Fits regular cab, access cab and double cab * Available in applications for driver or passenger side—depending on your application, brackets mount on frame near front of Cab or in front of the forward leaf spring perch * Includes two welded nuts and two bolts for body mount flange * Accepts OEM body mount bushing and flange along with most aftermarket alternatives * Parts ships with an oil protective coating to prevent oxidation during transit * Requires welding for installation
Not Yet Reviewed
$269.99
Alston Racing bolt-on subframe connectors are carefully formed to fit the contour of your vehicle's stock unit body floor. No cutting or welding is required for installation, allowing you to retain your stock exhaust, fuel, and brake lines. In about four hours, you can preserve the consistency and performance of your uni-body chassis. Additional features of Alston Racing bolt-on subframe connectors include: * Easy installation * Complete with Grade 8 hardware and instructions * Powdercoated to ensure long life and good looks * Can also be welded in
( 24 )
$356.00
UMI Performance Road Race K-Members are designed for serious racers who expose their vehicles to more stress than any street cars will ever experience. Using an additional 1.000 in. of tubing, UMI Performance Road Race K-Members tie together crucial areas. They weigh in at 3 lbs., more than UMI's standard version, but still maintain a much-needed weight savings.
( 3 )
$819.99
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
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$255.99
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 )
$608.95
Rust Buster frame-to-body mount brackets provide a solution for replacing rust-prone components. These frame-to-body-mount brackets are important for isolating road noises, chassis flex, and vibrations, contributing to a smoother driving experience. Each bracket is meticulously modeled using advanced CAD design technology before production. The manufacturing process includes precision laser cutting, forming, and finish welding to ensure high-quality and durable repair sections. The EZ-fit design of this repair section simplifies installation by allowing it to be mounted onto the frame. Made from robust steel, each bracket features the necessary factory holes, and mounting points are pre-drilled to facilitate a seamless installation. Welding required to install.
( 3 )
$269.99
Dorman fuel tank crossmembers replace your damaged original equipment. They're made of durable steel and finished in weldable primer for a clean, reliable repair. Verify the fitment to your vehicle when ordering.
( 9 )
$149.99
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$162.99
Detroit Speed strut tower braces are made from quality steel and utilize a unique closed triangle shape design to reinforce the front sub-structure and strut towers. Connecting the front strut towers will improve overall vehicle stiffness and increase handling and performance. These braces can be installed with simple hand tools; no welding is required. The strut tower brace and double plates are powdercoated satin black, and the kit comes with all required mounting hardware for a direct bolt-on installation. Order the brackets designed for your vehicle.
Not Yet Reviewed
$314.95
Rust Buster frame repair sections help you replace those rusted or damaged frame rail areas on your truck or SUV. The EZ slip design allows the repair section to slide onto the frame and will include all the factory needed holes and mounting locations. Rust Buster uses the latest in CAD to model each repair section before it is laser-cut, formed and finish welded. Keep your ride on the road for years to come with Rust Buster frame repair sections.
( 34 )
$139.99
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$299.99
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