1968 - Customizable - Free Shipping on Orders Over $109 at Summit Racing

Heidts 1964-70 Ford Mustang PRO-G Independent Rear Suspension Kits

Heidts Pro-G IRS suspension kits are designed to bring the superior ride and handling of independent rear suspension to your muscle car. Out-handle the competition and put all of that horsepower to the ground. Heidts Pro-G IRS suspension kits produce 1/2 degree of camber curve at 3/4 of bump, especially during very high cornering loads. Features include: * Cast iron Ford 9 in. center section mounted in an aluminum housing * 31-spline posi-traction hooked up to heavy-duty half shaft CV joint axle shafts * Tubular upper and lower control arms * Steel outer uprights * Top crossmember * Frame mounting brackets * Wilwood rear brake rotors and calipers * Billet aluminum single adjustable coilover shocks with silver powdercoated springs

Not Yet Reviewed

$14,973.00

American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits

American Powertrain Tremec T-56 Magnum manual transmissions and installation kits are designed to withstand up to 700 lbs.-ft. of torque. Their gears feature substantially increased face widths and 2-piece laser-beam welded construction, allowing for greater control of the tooth angles, pitch, and alignment. The transmissions also include a bolstered one-piece countershaft to resist distortion, and a stronger input shaft. Magnum's new synchronizers are built with fine-tooth angles, redesigned shift forks—and an extensively modified transmission case to prevent leaks under high-stress conditions and increase overall power-handling capabilities. Nearly two dozen models are available; choose the kit recommended for your vehicle application. Kits include: * Cryo-hardened steel driveshaft slip yoke with 1330 style U-joint * Mechanical speedometer conversion * VSS wiring harness for electronic speedometer of EFI ECU * Reverse light wiring, weather seal harness, non-polar * Reverse lockout wiring harness * ISO-X ballistic, low-profile transmission mount * Steel roller pilot bearing * White shift knob with black 6-speed shift pattern

Not Yet Reviewed

$5,025.00

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$5,025.95

Heidts Superide II Independent Front Suspension Kits

Enjoy driving your fat-fendered cruiser with the smooth ride and handling of independent suspension. Heidts Superide II independent front suspension kits utilize a Mustang II spindle to allow for a front mount rack and pinion unit, making engine installation much easier. The upper control arms use threaded adjusters for the wheel alignment. Unlike eccentric adjusters, they will never slip or lose alignment when hitting bumps in the road. Dozens of packages are available for applications from 1935 and up. Components include: * Heidts 3-piece crossmember * Mustang II stock spindles * Tubular upper and lower control arms * Front disc brake kit with 11 in. diameter brake rotors and 4-piston brake calipers * Manual rack and pinion steering, front mounted * Billet single adjustable coilover shocks with silver powdercoated springs

4.0 out of 5 stars ( 1 )

$5,854.00

Crower Lightweight Crankshafts

Crankshafts are the most critical part of your engine's performance. Crower lightweight crankshafts help to provide the best possible performance for your application, matching your head and valvetrain components to perfection. They are made of forged 4340 steel for superior performance and are available with internal and external balance. Crower lightweight crankshafts have numerous designs to meet anyone's needs, whether it's a smooth, lower lift rate for higher rpm and more durability, needing less spring pressure and less valvetrain modification, or a higher lift rate for less rpm with more spring pressure and lighter valvetrain components, providing the explosive power typically needed in race applications. So, if you're looking for a high performance crankshaft and want nothing but the best, these Crower lightweight crankshafts are your answer.

Not Yet Reviewed

$5,819.99

Crower Maxi-Light Crankshafts

Crankshafts are the most critical part of your engine's performance. Crower Maxi-Light crankshafts help to provide the best possible performance for your application, matching your head and valvetrain components to perfection. They are made of forged 4340 steel for superior performance and are available with internal and external balance. These crankshafts have numerous designs to meet anyone's needs, whether it's a smooth, lower lift rate for higher rpm and more durability, needing less spring pressure and less valvetrain modification, or a higher lift rate for less rpm with more spring pressure and lighter valvetrain components, providing the explosive power typically needed in race applications. So, if you're looking for a high performance crankshaft and want nothing bur the best, Crower Maxi-Light crankshafts are your answer.

Not Yet Reviewed

$6,203.99

Crower Ultra Light Crankshafts

Crankshafts are the most critical part of your engine's performance. Crower Ultra Light crankshafts help to provide the best possible performance for your application, matching your head and valvetrain components to perfection. They are made of forged 4340 steel for superior performance and are available with internal and external balance. Crower Ultra Light crankshafts have numerous designs to meet anyone's needs, whether it's a smooth, lower lift rate for higher rpm and more durability, needing less spring pressure and less valvetrain modification, or a higher lift rate for less rpm with more spring pressure and lighter valvetrain components, providing the explosive power typically needed in race applications. So, if you're looking for a high performance crankshaft and want nothing bur the best, these Crower Ultra Light crankshafts are your answer.

Not Yet Reviewed

$5,743.99

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$6,619.99

Heidts Pro-G Independent Rear Suspension Kits

Heidts Pro-G IRS suspension kits are designed to bring the superior ride and handling of independent rear suspension to your muscle car. Out-handle the competition and put all of that horsepower to the ground. Heidts Pro-G IRS suspension kits produce 1/2 degree of camber curve at 3/4 of bump, especially during very high cornering loads. Features include: * Cast iron Ford 9 in. center section mounted in an aluminum housing * 31-spline posi-traction hooked up to heavy-duty half shaft CV joint axle shafts * Tubular upper and lower control arms * Steel outer uprights * Top crossmember * Frame mounting brackets * Wilwood rear brake rotors and calipers * Billet aluminum single adjustable coilover shocks with silver powdercoated springs

Not Yet Reviewed

$11,039.00

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$15,504.00

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

4.21 out of 5 stars ( 14 )

$15,470.99

Crower Standard Series Crankshafts

Crankshafts are the most critical part of your engine's performance. Crower Standard Series crankshafts help to provide the best possible performance for your application, matching your head and valvetrain components to perfection. Made of forged 4340 steel for superior performance, they are available with internal and external balance. These crankshafts have numerous designs to meet anyone's needs, whether it's a smooth, lower lift rate for higher rpm and more durability, needing less spring pressure and less valvetrain modification, or a higher lift rate for less rpm with more spring pressure and lighter valvetrain components, providing the explosive power typically needed in race applications. So, if you're looking for a high performance crankshaft and want nothing but the best, these Crower Standard Series crankshafts are your answer.

Not Yet Reviewed

$5,495.99

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$6,363.99

Crower Billet Crankshafts

Crower billet crankshafts offer premium quality at not-so-premium prices. Crower manufactures these from milled round bars to produce steel billet crankshafts for just about any engine make and horsepower needs. Premium materials--either billet 4340 chromoly or EN30B steel--are used to create their cranks. They are precision CNC-machined on state-of-the-art equipment by master craftsmen for precise indexing and throw-to-throw consistency. Choose a better made billet crankshaft from Crower and choose peace of mind.

Not Yet Reviewed

$6,287.99

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$7,736.99

Crower Enduro Crankshafts

These Crower Enduro crankshafts will handle the horsepower of today's engines. They feature a 4340 NT forging, straight shot oiling, jumbo 1/8 in. radii, and a counterweighted correct design. The heat treating of the Crower Enduro crankshafts makes them stronger and more reliable throughout the entire rpm range. Available in your choice of 2 or 4 lightened holes, Crower Enduro crankshafts are an excellent foundation for your performance engine.

Not Yet Reviewed

$5,506.99

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$5,757.99

Heidts 1967-72 Chevy C-10 Complete Chassis Kits

Heidts 1967-72 Chevy C-10 Complete Chassis Kits are the best bang for your buck, if you're looking to replace and upgrade your truck frame. 1967-72 Chevy C-10 complete chassis kit details: * Brand new 1967-72 C-10 frame * Heidts 1967-72 Superide independent front suspension * 1 1/4 in. upper and 1 1/2 in. lower tubular control arms * Front billet single adjustable coilover shocks with 450 lb. coil springs * 11 in. iron rotors with black 4-piston Wilwood calipers and GM bolt pattern * Power rack and pinion steering with 20:1 ratio and 3 Turn-to-Lock * Stock spindles * Heidts 1967-72 C-10 rear 4-link suspension * Rear billet adjustable coilover shocks with 300 lb. coil springs * 64 in. track housing with weld-on brackets and 31-spline axles

Not Yet Reviewed

$20,231.00

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$28,592.00

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

1968 Parts and Accessories