Get Peace of Mind With the Summit Racing Protection Plan!

Get Peace of Mind With the Summit Racing Protection Plan!

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Chassis & Suspension

Car & Truck Chassis & Suspension Parts

Car & Truck Chassis & Suspension Parts

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.

Part Groups

Results 1 - 19 of 19

Sikky Manufacturing Transmission Mount Bushings

Complete your transmission install with Sikky Manufacturing transmission mount bushings. These replacement urethane bushings help absorb any torque and vibration your high-performance vehicle dishes out. Sikky bushings are designed for use on particular Tremec transmissions and Sikky transmission crossmembers.

Not Yet Reviewed

$64.59

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

4.37 out of 5 stars ( 27 )

$379.95


$194.95

$399.95

UMI Performance Transmission Crossmembers

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.

4.8 out of 5 stars ( 5 )

$149.99

$349.99

Prothane Transmission Mounts

Prothane transmission mounts take the sloppiness out of your original rubber-mounted drivetrain. They're designed to control torque, eliminate breakage, and retain their shape. These mounts incorporate a metal run-safe interlock feature, increasing strength and durability of each unit. Don't take unnecessary chances with your vehicle's drivetrain; install Prothane transmission mounts, available in a variety of styles for fitment on specific vehicle applications.

4.43 out of 5 stars ( 168 )

$45.57

Stifflers Suspension Transmission Mounts and Adapters

Stifflers Suspension transmission mounts and adapters provide the right geometry. They are available for a variety of transmission and chassis combinations--including a version designed to be used in conjunction with Stifflers polyurethane GM transmission mounts to install a TH-350, TH-400, or Powerglide transmission in Mustangs. Other designs offered include versions to fit Ford 6R80 automatic transmissions and Viper specification T-56 manual transmissions to earlier Mustangs. They are all designed to maintain proper driveline angles.

4.8 out of 5 stars ( 5 )

$49.95

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.

4.62 out of 5 stars ( 42 )

$399.95


$208.95

$449.95

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.

3.71 out of 5 stars ( 34 )

$236.25

$279.95

On Sale

Hurst Transmission Crossmembers

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.

4.14 out of 5 stars ( 7 )

$471.95


$228.95

$749.95

Stifflers Suspension Transmission Crossmembers

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.

4.64 out of 5 stars ( 73 )

$189.95

$249.95

Sikky Manufacturing Transmission Mount Brackets

Sikky Manufacturing transmission mount brackets let you complete your transmission install. These steel mounts attach specifically to your Sikky transmission crossmember brackets for a clean transmission swap installation.

Not Yet Reviewed

$64.59

California Pony Cars Conversion Transmission Crossmembers

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.

3.92 out of 5 stars ( 12 )

$178.95

Silver Sport Transmission Crossmembers

Silver Sport transmission crossmembers are CAD-designed from heavy-duty formed and powdercoated steel. They offer strength and accuracy, two essentials of a crossmember. These SST vehicle-specific crossmembers are stiff and resistant to deflection, meeting or surpassing the original design, meaning they won't flex during hard launches or on rough roads. They are engineered to provide the proper driveline angle eliminating installation issues seen with adjustable crossmembers, as well as vibration issues and possible U-joint damage. Exhaust and ground clearance are also taken into consideration. Silver Sport transmission crossmembers locate the transmission at not only the proper height and angle, but makes sure it stays there, regardless of power, torque, or road conditions. Order the one for your specific vehicle.

4.75 out of 5 stars ( 4 )

$299.95

Bowler Performance Transmission Crossmembers

Transmission crossmembers get the power under your vehicle's hood to the tires on the ground. Correctly locating and supporting your transmission can help make that happen, as well as achieving the proper driveline angles to avoid possible issues in your drivetrain. Bowler Performance provides several crossmember designs to fit a variety of engines and Tremec transmission combinations (some will work with any transmission, including automatic units). Bowler crossmembers are easy to install, offer strong steel construction, a durable black powdercoating, and most include hardware. They are designed to allow the use of stock height or half-height body bushings and the use of dual exhaust. Choose the crossmember designed for your vehicle/engine/transmission setup.

Not Yet Reviewed

$384.99

Doug's Headers Engine Swap Transmission Crossmembers

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

4.4 out of 5 stars ( 5 )

$312.95

$335.25

Summit Racing™ Adjustable Transmission Mounts

Summit Racing™ adjustable transmission mounts replace your stock transmission mount and give you the adjustability you need when swapping transmissions. They adjust up to 2.5 in. of offset, helping you reach your crossmember mounting holes. These mounts allow for adjustability in either direction, as needed, and eliminate all the hassles of miss-alignment, saving you time and money. Made from sturdy 3/16 in. thick steel and powdercoated for rust and corrosion resistance, these adjustable transmission mounts are an excellent choice for any project utilizing an engine or transmission swap.

4.52 out of 5 stars ( 27 )

$107.99

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.

4.68 out of 5 stars ( 585 )

$208.99

$458.99

Hinson Motorsports Transmission Mounts

Rubber transmission mounts have been used for absorbing impacts for years, but they allow for a decent amount of movement. Hinson Motorsports transmission mounts use an interlocking stainless steel design with urethane poured throughout--providing sufficient cushion with much less give for hard use. They are designed for both street and track use and are direct replacements for stock units. Slamming through gears can be tough when the transmission mounts have a lot of give. Keep important components tight with Hinson Motorsports transmission mounts .

4.58 out of 5 stars ( 12 )

$176.00

$348.00

BMR Transmission Conversion Crossmembers

BMR transmission conversion crossmembers allow you to swap your choice of transmissions into your vehicle. They bolt to your OE frame points using existing mounting holes with no welding or drilling required.

4.29 out of 5 stars ( 21 )

$259.95

Summit Racing™ Replacement Transmission Mount Bushings

Here at Summit Racing™, we have several options for transmission mounts with durable polyurethane bushings. We also offer replacement bushings to maintain their optimal performance. They provide the correct fit, form, and function matching that of the originals. For hassle-free servicing of your Summit™ transmission mounts, select our Summit™ replacement bushings.

Not Yet Reviewed

$19.99

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