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1973 Chassis & Suspension
Borgeson Universal Steering Shafts
Get your steering hooked up using one of these Borgeson universal steering shafts. You can use them to help build that custom steering system you're after. The shafts are made from quality materials and available in different lengths and ends to fit your steering system.
( 164 )
$222.82
Heidts 1970-74 Mopar Challenger and Barracuda PRO-G Independent Front Suspension Kits
Heidts 1970-74 Mopar Challenger and Barracuda PRO-G independent front suspension kits are a comprehensive, bolt-in upgrade designed to replace the stock factory torsion bar suspension with a modern, high-performance, double A-arm front suspension system. Specifically engineered for 1970-1974 E-body vehicles, these kits improve handling and cornering using adjustable coilovers, rack-and-pinion steering, and Wilwood brakes. Key features: * Complete system: Hub-to-hub kit includes a new crossmember, tubular control arms, spindles, and power rack-and-pinion steering * Performance upgrades: Features QA1 adjustable coilover shocks and springs for height and ride tuning * Improved geometry: Designed to eliminate bump steer and allow for significant caster and camber adjustments * Braking: Comes standard with 11 in. Wilwood rotors and 4-piston calipers * Engine fitment: Accommodates Mopar small block, big block, and Gen 3 Hemi engines, usually requiring a rear-sump oil pan * The kit is tailored to bring modern handling capabilities to classic Mopar muscle cars, reducing unsprung weight and increasing overall torsional rigidity
Not Yet Reviewed
$7,623.00
Scott's Hot Rods IFS Packages
Scott's Hot Rods IFS packages are the ultimate improvement to the ride quality and handling of your classic vehicle. Starting with a ground-up, clean-sheet design, these independent front suspension kits are custom-fit to your specific chassis. Optimized steering and suspension geometry provide modern handling, while adding the convenience and feedback of rack-and-pinion steering. Designed and fabricated in-house ensures precise, accurate fitment. These IFS packages are available in a wide array of ride heights, suspension options, brake configurations, and even wheel bolt patterns! Features include: * Stock, mild, or low ride height configurations * One-piece, boxed steel crossmember construction * Frame/chassis-specific frame notches and reinforcement plates * Fully adjustable, tubular upper and lower control arms * Oversized serviceable ball joints * Built-in anti-dive geometry * Rack and pinion steering * Forged steel spindles (stock or drop-height options) * Available with Wilwood brake packages in multiple color choices * Available air bag and multi-level coilover suspension options
( 4 )
$3,682.99
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$5,398.99
Classic Performance Pro-Touring Stage 2 Kits
Classic Performance Pro-Touring Stage 2 kits provide the ultimate performance for an affordable price. They are made with the quality you have come to expect from Classic Performance Products. Included with the Stage 1 kits are front and rear performance sway bars, lowered springs, adjustable coilover shocks, and mounting hardware.
( 3 )
$2,560.99
Speedtech Performance USA ExtReme Front Suspension Packages
Upgrade your front suspension with the Speedtech Performance USA ExtReme subframe featuring forged spindles. These packages are designed to handle all driving conditions with ease—ideal for daily driving, autocross, and track days. The box welded construction and tabbed through frame gusseting provide added torsional rigidity, while the fully adjustable wheel alignment and corrected Ackerman for better grip during cornering facilitate a customizable driving experience. The kit includes custom designed upper and lower control arms, a durable Sweet Mfg. dual power rack and pinion steering, QA1 custom valved single adjustable coilover shocks, and a splined front sway bar with spring rate options. The exclusive ExtReme forged spindles offer optimized geometry and improved KPI/SAI angles, providing increased tire grip and a more precise driving experience. Order the front suspension package recommended for your vehicle. ExtReme Front Subframe Includes: * Full ExtReme subframe * Custom designed upper and lower control arms with high clearance to accommodate wide wheels * Durable Sweet Mfg. dual power rack and pinion steering * QA1 custom valved single adjustable coil over shocks, spring rates of your choice included * Tuned, adjustable, splined front sway bar with spring rate options for street, pro-touring/auto cross and road course * Exclusive ExtReme forged spindles with C7 hubs and maintenance free sealed bearing * Fully adjustable transmission crossmember that will accommodate all engine and transmission combinations ExtReme Front Subframe Features and Benefits: * Boxed construction welded with tabbed through frame and crossmembers for added torsion rigidity * Speedtech Performance chassis and subframes come exclusively with forged 7075 aluminum ExtReme spindles * 78 percent motion ratio for faster shock response and more precise control * Increased shock length providing more suspension travel * Virtually zero bump steer, .005" over the full travel of the system * 30 +/- 3 degree of steering angle * Exclusive system provides optimum Ackerman for up to 20 percent more inside tire grip when cornering * Industry exclusive optimized roll center for low, mid and high travel * 3-piece chromoly tubular splined sway bar standard, optional spring rates * Excellent system for street, autocross and track days * Ride heights to meet your vision for styling the car exactly the way you want it * Accommodates greater than 315/30/18 tire with full steering ExtReme Forged Spindle Features: * Forged from 7075 aircraft-grade aluminum * Optimized geometry unmatched in any other Corvette style spindle * Significantly improved KPI/SAI angle * Requires less caster to achieve maximum tire contact patch * Significantly reduced scrub radius * Billet steering arm provides increased Ackerman angle * Achieves optimum tire slip-angles, increasing front tire grip * Maintains optimum tire grip with less backspaced wheels * Brake caliper bolt pattern is direct carryover from Corvette C5 and C6, opening up many options * Comes standard with a maintenance-free factory GM Corvette C7 hub and sealed bearing * From parking lots to tracks, it simply drives and turns better
Not Yet Reviewed
$9,968.00
Classic Performance Tubular Control Arms
Classic Performance tubular control arms are designed to add up to five degrees of caster in certain applications, while providing full wheel travel. They're manufactured from 1.250 in., 0.120 in. thick wall DOM tubing, with pivot barrels made from 1.500 in., 0.188 in. thick wall DOM tubing to help eliminate distortion. These control arms use bushings made from self-lubricating, non-squeak patented material that will outlast any rubber or polyurethane bushing. The control arms are designed as bolt-in replacements for your factory originals. Classic Performance tubular control arms will tighten up your front suspension and give you that performance ride through the corners and on straight roads. Select the model and options recommended for your vehicle.
( 125 )
$524.99
Classic Performance Complete Performance Suspension Handling Packages
Classic Performance complete performance suspension handling packages team up all of the pieces that will convert your ride into a corner carver on the track and a pleasure to drive on the streets. They feature Totally Tubular control arms in the front (and in the rear for applications that have rear trailing arms), front coil springs, front and rear performance sway bars, and front and rear performance tuned shocks. The kits are available for a variety of muscle car applications from the 1960s and '70s.
Not Yet Reviewed
$2,560.99
Classic Performance Polyplus Front-End Kits
Classic Performance Polyplus front-end kits are an upgrade for worn-out stock rubber components. The ultimate in efficiency, they offer increased durability and outstanding performance. POLYPLUS graphite bushings combine polyurethane with the superior lubricating qualities of graphite for a smooth, quiet operation. Polyplus products withstand the abusive environmental elements that your vehicle encounters on a daily basis. All kits are vehicle-specific; check the applications for the package which best suits your needs. They include upper and lower ball joints, outer tie rod ends, control arm bushings, and bump stops. Sway bar bushings are sold separately. The complete kits also include inner tie rod ends, tie rod adjusting sleeves, and idler arm bushings.
( 7 )
$631.99
Calvert Racing Split Mono-Leaf Springs
Engineered for drag racing, Calvert Racing split mono-leaf springs have a higher spring rate and a stiffer ride than stock springs. Tested on the fastest stock suspension cars in the world, they are designed to control and reduce excessive body separation in rear suspension and plant the rear tires without unloading. The parabolic rear-half design distributes the main spring pressure point through the length of the half, reducing spring breakage. Calvert Racing split mono-leaf springs are assembled to order with Grade 8 hardware, heavy-duty alignment clamps, front aluminum bushings, and rear polyurethane bushings. They are stress-relieved and arch verified, available in several ride height options, and have been proven to withstand over 2,500 hp at 1/4 mile ETs in the 6s. Choose the springs designed for your vehicle.
( 48 )
$495.00
Classic Performance Pro-Touring Stage 1 Kits
Classic Performance Pro-Touring Stage 1 kits provide the ultimate in performance for an affordable price. They are made with the quality you have come to expect from Classic Performance Products. Included with the Stage 1 kits are front and rear performance sway bars, lowered springs, gas-charged monotube front and rear shocks, and mounting hardware.
( 2 )
$2,012.99
Roadster Shop SPEC Chassis Kits
Roadster Shop SPEC chassis kits offer Roadster Shop quality at an affordable price point. The SPEC Series is an engineering-focused approach, using the latest in manufacturing technology, to build the lightest, strongest, and easiest-to-install complete chassis systems. These technologies have been used to streamline procedures resulting in lower cost and shorter lead times. The SPEC independent front suspension is engineered to deliver outstanding performance in a user friendly package. It features proprietary suspension geometry designed to provide the best balance of ride quality and performance in its class. Available as On-The-Shelf, pre-configured chassis or custom specifications to suit your needs. Features and benefits of Roadster Shop SPEC chassis kits include: * Full-chassis performance at a smaller component price * Unparalleled quality * Add the strength of a full frame with no floor modifications on most applications * CNC laser-cut, TIG-welded, and contoured "Laser Rails" frame rails * No kinks, bends, or stressed areas that are prone to flex like mandrel-bent tubing * Stronger, lighter, and more precise * CNC-located factory mounts built into the frame for easy, vehicle specific installation * Frame rails accommodate mini-tubs and wider wheels * Aggressive ride heights for the modern pro-touring look * Choice of coilover or air suspension for many applications * Air suspension chassis will lay the rockers on the ground (varies with tire size) * Truck rear frame rail kick ups engineered for minimal bed modifications while allowing rockers to lie on the ground * Crossmembers and chassis bracing allow 3 in. exhaust * Adjustable, drop-out transmission mounts (tunnel mods may be necessary for larger T-56 and 4L80 transmissions) * Vehicle specific body (cab and bed on trucks), bumper, and core support mounts * Single-adjustable billet coilovers * Power rack and pinion steering * Easy-to-adjust upper A-arm eccentric mounts for fast and accurate alignments * Wilwood Pro Spindles * Parallel 4-bar rear suspension * Ford 9 in. housing with 31 spline axles * Optional mounts, coilovers, sway bars, brake packages, and rear-end gearing available on custom-order chassis * 5 x 4.75 wheel bolt pattern * Frames are shipped as bare steel
( 14 )
$13,763.99
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$15,470.99
Heidts Pro-G Rear Suspension Packages
Those of you who want ultra-modern handling in your classic car can now have it with these fully independent Heidts Pro-G rear suspension packages. These high-horsepower independent rear suspension bolt-in packages are designed for almost any car. Heidts Pro-G rear suspension packages are completely bolt-on, requiring no cutting or floor modifications. If you want to take the performance of your hot rod to the highest level, Heidts Pro-G rear suspension packages are the only way to go.
Not Yet Reviewed
$11,039.00
