Summit Racing SpeedCard - learn how to get 15% back up to $150

Summit Racing SpeedCard - learn how to get 15% back up to $150

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Shop Summit Racing’s instant rebate offers for a savings surprise! Simply add an item to your cart to see what kind of discount you will receive.

Shop Summit Racing’s instant rebate offers for a savings surprise! Simply add an item to your cart to see what kind of discount you will receive.

Shop Summit Racing’s instant rebate offers for a savings surprise! Simply add an item to your cart to see what kind of discount you will receive.

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Results 1 - 6 of 6

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QA1 MOD Series Coilover Shocks

QA1 MOD Series coilover shocks put the ability to re-valve your shocks—on your car—into the palm of your hand. These innovative shocks feature QuickTune Technology, an industry-first that provides the ability to adapt to any track, any conditions, any time. The technology consists of interchangeable, dry modular valve pack assemblies, that can be thought of as dozens of finely tuned shocks you can hold in the palm of your hand. They define the valving curve of the shocks and can be changed without interrupting the oil pathways. Simply unscrew from the shock, bolt-in another one with a new pre-determined valving range—and you're ready to go. There's no mess, no contamination, no air intrusion, and no downtime waiting on someone to re-valve your shocks. Ideal for Circle Track and Street/Strip applications, the shocks are available in a variety of extended and collapsed length models to best fit your vehicle. Additional benefits and features of QA1 MOD Series shocks: * Design delivers force, control, and unmatched tenability * Hard anodized aluminum bodies with PTFE—durable, non-galling surface * Double-adjustable shocks with low-speed bleed adjustments * Large solid piston (with blow-off valve)—improved driver feel and control with up to 1,600 lb. force * High-speed valving adjustment (coarse adjustment)—relates to shock operation during impact events, like hitting a pothole or curb * 24 clicks/settings—wider range of adjustment than comparable shocks * Indexable base eyelet—multiple mounting position to optimize knob access and provide more mounting flexibility * Low-speed valving (fine-tune adjustments)—adjusts ride quality and weight transfer on corner entry/exit; more bleed for softer feel and less bleed for stiffer feel * Piggyback or remote canister options * Unique spring adjuster nut and tool * Thrust bearings included * Superior thermal performance, as oil is in constant contact with outer body * One base shock can be upgraded over time to keep up with increased performance levels of your vehicle

5.0 out of 5 stars ( 1 )

$827.96

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Mahle Performance Piston Rings

Mahle Performance piston rings evolved from their pioneering use of piston ring simulation and computer development tools to develop rings that provide "free" horsepower by successfully minimizing friction. A large selection of coordinated piston ring sets is available in a variety of sizes, designs, materials, and coatings designed to exceed your high performance requirements. The difference is evident on the dyno and on the track. Features and benefits of Mahle Performance piston rings: * 1mm and 2mm steel top rings with patented HV385 supersonic thermal-spray process applied for superior bonding, increased durability, and increased scuff resistance * 1.5mm and 1/16 in. positive-twist, ductile iron, barrel-faced, plasma-moly inlaid top rings * Sport compact ring sets ranging from 81-100mm with steel-nitrided top rings * Traditional, reverse-twist, taper-faced (RBT) cast iron second rings * Tapered Hook Groove (THG) second rings that offer superior oil control when compared to traditional RBT rings * 3-piece style oil control rings in both standard and low tension * Standard-tension expanders are sold separately for select low-tension rings where increased oil control is necessary * CP-20 design oil rings that are easier to install; chemically polished for better oil drain-back with a 20 degree ear angle to ensure side seal around the ring

4.61 out of 5 stars ( 54 )

$29.55

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Mahle File Fit Rings

Mahle Motorsports offers a variety of file fit piston rings which allow you to control the ring end gap. Rings are typically oversized so they can be custom fit for the cylinder. The file fit piston ring sets are available via finished bore size, and include top ring, second ring, and oil rings for the cylinder application.

5.0 out of 5 stars ( 3 )

$28.39

$29.55

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QA1 1973-87 C10 Coilover Conversion Systems

Upgrade your square body Chevy C10's driving feel and performance while getting the perfect stance with QA1's 1973-1987 C10 coilover conversion systems. The kits come with everything you need to convert your C10's front end to coilovers and a tubular crossmember with rack-and-pinion steering. These coilover conversion systems are a great way to overhaul your suspension in one go, giving you adjustable ride height to achieve the perfect stance with up to 8 in. of drop—all while dialing in the ideal ride quality and performance for your application while also reducing weight 140 lbs. over stock. Order the QA1 1973-87 C10 coilover conversion system recommended for your year/make and model vehicle. Product features and details: * Powered rack-and-pinion offers quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve geometry for enhanced drivability * Increased Ground Clearance: The crossmember and control arms make your undercab rails the truck's lowest point—new upper shock mounts increase travel for a great ride and performance, even at low ride heights * Single or double-adjustable shock valving offers independent rebound and compression tunability—great for trucks that will see track time or drivers who really want to dial in ride quality on the street * Easy, Bolt-In Installation: The crossmember comes powder coated and ready to install—no need to cut or weld your frame—it easily locates the steering rack, and you can choose mounts (sold separately) for common engines * Modular Engine Mounts: Choose from modular engine mounts (sold separately) that allow you to reuse your existing transmission mount and driveshaft (kits are available for small block Chevy, big block Chevy and LS applications—DIY mounts are also available if you want to customize the location of your engine * Front Sway Bar: The optional front sway bar (sold separately) adds even more cornering capabilities—it reduces body roll and keeps your tires planted to give you more grip in the turns Fitment Notes: * If you already have QA1's coil-over system, you can find retrofit kits to use your existing components * Total drop range depends on wheel/tire fitment * Will require you to trim inner fenders * Engine mounts are year-range specific to maintain OE bellhousing location * Optimized bump steer settings require at least 18 in. wheels -- 18 in. wheels can run up to 6 in. of backspacing -- 20 in. wheels can run up to 7 in. of backspacing * Requires use of 1973-1987 C10 spindles * May require different headers and oil pan (Stock SBC and BBC pans fit) * Steering shaft is not included * May require new power steering hoses depending on fittings, pump, and engine placement

5.0 out of 5 stars ( 1 )

$5,198.36

Instant Rebate

QA1 1963-72 C10 Coilover Conversion Systems

Upgrade your classic truck to a modern driving feel and performance with QA1's 1963-1972 C10 coilover conversion systems. The kits come with everything you need to convert your C10's front end to coilovers and a tubular crossmember with rack-and-pinion steering. These systems are a great way to overhaul your suspension in one go, giving you adjustable ride height to achieve the perfect stance with up to 8 in. of drop—all while dialing in the ideal ride quality and performance for your application while reducing weight 140 lbs. over stock. Order the QA1 1963-72 C10 coilover conversion system recommended for your year/make and model vehicle. Product features and details: * Powered rack-and-pinion offers quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve geometry for enhanced drivability * Increased Ground Clearance: The crossmember and control arms make your undercab rails the truck's lowest point—new upper shock mounts increase travel for a great ride and performance, even at low ride heights * Adjustable Shock Valving: Double-adjustable shocks offer independent rebound and compression tunability—great for trucks that will see track time or drivers who really want to dial in ride quality on the street * Easy, Bolt-In Installation: The crossmember comes powder coated and ready to install—no need to cut or weld your frame—it easily locates the steering rack, and you can choose mounts (sold separately) for common engines * Modular Engine Mounts: Choose from modular engine mounts (sold separately) that allow you to reuse your existing transmission mount and driveshaft (kits are available for small block Chevy, big block Chevy and LS applications—DIY mounts are also available if you want to customize the location of your engine * Front Sway Bar: The optional front sway bar (sold separately) adds even more cornering capabilities—it reduces body roll and keeps your tires planted to give you more grip in the turns Fitment Notes: * If you already have QA1's coil-over system, you can find retrofit kits to use your existing components * Total drop range depends on wheel/tire fitment * Will require you to trim inner fenders * Engine mounts are year-range specific to maintain OE bellhousing location * Optimized bump steer settings require at least 18 in. wheels -- 18 in. wheels can run up to 6 in. of backspacing -- 20 in. wheels can run up to 7 in. of backspacing * Requires use of C10 spindles * May require different headers and oil pan (Stock SBC and BBC pans fit) * Steering shaft is not included * May require new power steering hoses depending on fittings, pump, and engine placement

5.0 out of 5 stars ( 4 )

$5,198.36

Instant Rebate

Fluidampr Harmonic Dampers

Using only three parts (a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI-approved Fluidampr harmonic dampers can control all crankshaft vibration--not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.

4.76 out of 5 stars ( 143 )

$549.82

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