Summit Racing SpeedCard - learn how to get 10% back up to $100

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GMC Ignitions & Electrical

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Painless Performance 27-Circuit Classic-Plus Customizable GM Truck Chassis Harnesses

Painless Performance 27-circuit Classic-Plus customizable GM truck chassis harnesses are designed to fit a wide range of trucks, Blazers, and Suburbans—whether C10, C20, or C30. They feature a factory-style bulkhead connector, allowing for easy mounting of the fuse block in the factory location, and have many factory connectors already installed on the harness out of the box. Each wire is custom-printed with the circuit identification, as well as using the GM color codes for easy installation. Wire your Squarebody once—and wire it right with these Painless 27-circuit Classic-Plus customizable GM truck chassis harnesses! Additional features and benefits include: * Each harness comes open-ended (headlight and taillight wiring) with extra length and can be paired with light socket kits (also available by Painless, but sold separately) * Included connectors for: the headlight switch, dimmer switch, wiper motor, ignition switch, blower motor and switch, blower resistor, and instrument cluster

4.77 out of 5 stars ( 35 )

$679.99

HP Tuners VCM Suite MPVI3 Credit Pro Packages

The legacy continues … and now it is bigger, better, and faster! Built for enthusiasts and professionals, MPV13 is the fastest most sophisticated OBDII interface device to date, and Pro is the new standard. Take advantage of Pro Feature Set capabilities, like standalone data logging and PROLINK+ compatibility (sold separately) already built in. MPVI3 redefines the limits of speed and control with faster standalone data logging and two times the storage capacity compared to the previous generation. Log more runs (faster) and store more calibrations on your MPVI3, all with the convenience of eliminating your laptop from the equation. HP Tuners VCM Suite MPVI3 Credit Pro packages equip you with the most inclusive scanning, logging, and calibration, making them the only tool you need in your toolbox. The MPVI3 connects your vehicle's control modules to HP Tuners' VCM Suite software. You can run complete diagnostics, monitor vehicle performance, read from various vehicle control modules, and more in VCM Suite. Optimize your performance, fuel economy, or whatever your vehicle goals may be in VCM Editor with a multitude of defined parameters. When you are ready, license and tune any vehicle currently supported by HP Tuners with the fastest read and write speeds available. Connect, read, edit, write, drive; HP Tuners VCM Suite MPVI3 Credit Pro packages are offered with or without tuning credits.

4.67 out of 5 stars ( 52 )

$599.95

$799.91

ACDelco GM Genuine Parts Diesel Exhaust Fluid (DEF) Supply Pump Modules

ACDelco GM Genuine Parts Diesel Exhaust Fluid (DEF) supply pump modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles, and they will provide the same performance, durability, and service life you expect from General Motors. Select the DEF pump module designed for your diesel vehicle.

4.56 out of 5 stars ( 9 )

$769.99

Painless Performance GMC/Chevy Truck Harnesses

Nothing could make re-wiring your Chevy/GMC truck any easier than Painless Performance harnesses. By adding a factory-style bulkhead connector and additional GM connectors, Painless made their universal harness a custom fit for these popular 2x4 and 4x4 GMC/Chevy pickups. These harnesses will work on pickups, Blazers and Suburbans. Includes circuits for: * Air conditioning * Heat * Camper cover lights * Cigarette lighter * Four wheel drive switch * Backup lights * Charging * Cruise control * Dome light * Electric choke * Electric fuel pump * Emergency flashers * Fan relay activation power * Fused power source * Headlights * Horn (relay) * Ignition coil * Instrument panel lighting and gauges * Park lights * Power antenna * Power door locks * Power windows * Radio/clock (constant and switched) * Starting * Taillights * Third brake lights * Turn signals * Wipers and washer pump

4.72 out of 5 stars ( 43 )

$635.99

On Sale

MSD Blaster OEM Replacement Coils

When it comes to late model performance parts, nothing beats bolt-on and direct connection components—especially when they improve performance like these new replacement MSD Blaster ignition coils. They're designed with improved materials and windings to produce a stronger spark. This improved spark helps burn the fuel mixture more efficiently, resulting in smooth idle and heightened mid-range rpm power. Choose the OEM replacement designed for your year/make/model application.

4.71 out of 5 stars ( 619 )

$549.95

$749.95

American Autowire Classic Update Series Wiring Harness Kits

American Autowire Classic Update Series wiring systems power up your classic ride! Modifying your vintage muscle with modern amenities is beyond the capabilities of OE wiring. These harness kits let you keep the retro looks and enjoy power accessories like air conditioning, windows, and fuel injection. The assemblies are year/make/model-specific for a professional fit and are offered in over 60 different kits. Updating your classic has never been easier! Classic Update Series details: * Longer length wire allows for stock or custom routing * ATO-style fuse panel and more circuits * Full color schematics and instructions * Ignition, headlight, and dimmer switches (most kits) * Upgraded 8-gauge wire for alternator, fuse link protection, gauge cluster options, and disconnect * Pre-wired fuse panel mounts in the stock location

4.7 out of 5 stars ( 551 )

$807.50

Meziere True Start 400 Series High-Torque Starters

These Meziere True Start 400 series high-torque starters are recommended for all high-compression, large displacement engines up to 700 cubic inches and supercharged applications. They feature custom gear reduction for the best cranking power and rotational speed. Their innovative billet aluminum head design provides the strongest drive gear support without an external nose support. The starter block features a full 360 degrees of clocking positions in 10 degree increments. Meziere True Start 400 Series high-torque starters feature an offset design that clears all kickout style oil pans.

5.0 out of 5 stars ( 16 )

$649.95

$679.06

DiabloSport Trinity 2 EX Platinum Performance Programmers

DiabloSport Trinity 2 EX Platinum Performance programmers are game-changers! Trinity (T2) EX units are extremely capable performance tuners and feature-packed monitor/data logger devices—offering the best of both worlds. They feature an impressive, high-resolution 5 in. capacitive touchscreen, full swipe functionality, and industry-leading gauge designs; plus, jaw-dropping power potential and a powerful, yet simple user interface. DiabloSport Trinity 2 EX Platinum Performance programmers feature: * Full-color, high-definition 5 in. touchscreen * Lightning fast read/write times * Performance tuning for mileage, towing, daily driving, and performance * One-Touch, easy menu navigation * Full data-logging capability * Read and clear diagnostic trouble codes * Multi-vehicle licenses available * Correct speedometer and adjust speed/rev limiters (Options, features and coverage may vary, based on vehicle application) * AFM/MDS active fuel management options (Options, features and coverage may vary, based on vehicle application)

3.81 out of 5 stars ( 32 )

$710.95

$749.95

Meziere True Start 500 Series High-Torque Starters

These Meziere True Start 500 series high-torque starters are recommended for all high-compression, large displacement engines up to 700 cubic inches and supercharged applications. They feature a super duty drive and custom gear reduction for the best cranking power and rotational speed. Their innovative billet aluminum head design provides the strongest drive gear support without an external nose support. The starter block features a full 360 degrees of clocking positions in 10 degree increments.

4.54 out of 5 stars ( 13 )

$679.06

MechMan Elite Series Cast Alternators

MechMan Elite Series cast alternators offer great output at idle RPM and excellent durability in a direct bolt-in package. Their 6-phase technology, combined with massive twin rectifier assemblies and 12 diodes, makes these alternators totally durable for daily use, while still maintaining great output at low-rpm. These alternators will make 180 amps at engine idle speeds—with a full 250 amp output at cruising speeds. The units come with an OEM diameter pulley, making them perfect for high-rpm and racing use. They're available for fitment on a wide range of cars, trucks, and vans from the 1990s and up. Order the model recommended for your application. (Note: Elite Series cast alternators may require a rectangle to oval adapter harness if your vehicle was equipped with the CS144 heavy-duty charging option from the factory. This is not common.)

5.0 out of 5 stars ( 7 )

$519.00

$549.00

MechMan Elite Series Billet Alternators

MechMan Elite Series billet alternators offer great amperage output and durability. Their 6-phase technology, combined with massive twin rectifier assemblies and 12 diodes, makes these stunning alternators totally durable for daily use. Plus, the 6-phase hairpin stators make the alternators fundamentally more efficient, equating to incredible output at extremely low engine rpm, less energy wasted in the form of heat, and more horsepower to the wheels. MechMan Elite billet models are available for replacement or upgrade, and they are available in a unique selection of finishes and amperage outputs. Choose one designed for your vehicle.

5.0 out of 5 stars ( 10 )

$524.00

$699.00

On Sale

Holley EFI Dual-Sync Distributors

Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Dozens of models are available; order the one recommended for your vehicle/engine application. Some features of Holley EFI dual-sync distributors include: * CNC-machined billet aluminum housings with integrated LEDs for easy setup * Hardened steel distributor gear * Precision-machined shutter wheels that ensure accurate timing—even at very high RPM * Designed to be plug-and-play with Holley systems, but may be used with other EFI systems that support Hall effect crankshaft and camshaft sensors * Housings are available in a variety of finishes

3.42 out of 5 stars ( 36 )

$528.95

DiabloSport Pulsar LT Control Modules

The DiabloSport Pulsar LT is a one-of-a-kind inline control module that offers feature combinations never before seen in a standalone module. Adjust throttle response levels, tire size adjustment, TPMS options, speed limiter, and more without tuning or modifying the vehicle. The Pulsar LT connects directly to the vehicle computer system and makes its changes inline with the other modules. Utilizing steering wheel controls, Pulsar LT owners can make all the changes they desire at any time, driving or parked. Order the model compatible with your vehicle. Pulsar LT features: * Speed limiter adjustment (82 to 140 mph) * TPMS adjustment (25 to 99 psi) * Tire size correction (29 50.9) * Axle ratio (2.00 6.99) * Clear DTCs * Auto Start/Stop Disable * DFM disable * Multiple throttle sensitivity levels * On-the-fly adjustability via steering wheel controls

4.67 out of 5 stars ( 21 )

$599.95

DiabloSport inTune 3 GM E90/T93 Unlock Kits

The 2019-2022 (22.5+ refresh not supported at this time) GM gas trucks have been locked down since their introduction. Owners of these trucks have been waiting patiently for a tuning solution, and DiabloSport has delivered in a big way! The new 8225-R kit includes an industry-leading inTune 3 handheld tuner, along with the locksmith device and harnesses required to unlock both the ECM and TCM in your truck. Once unlocked, the inTune 3 offers up tunes for 87, 91 and 93 octane fuels, as well as two transmission tunes to choose from. Beyond the preloaded tunes, DiabloSport offers a host of user adjustable parameters, like throttle response, speed limit, tire size, and of course, DFM disable! They've even added some new features for drivers of these newer trucks, like the ability to recall your last mode setting, or to retain your auto-start-stop setting. Get power you can feel—with DiabloSport! DiabloSport inTune 3 GM E90/T93 unlock kit features: * ECM and TCM unlock included * Unlock and tune at home * Preloaded tunes for multiple octane levels * Support for 5.3L and 6.2L V8 applications with 6, 8 or 10-speed transmissions * Disable Dynamic Fuel Management for full time V8 operation * Throttle Boost setting for adjustable throttle feel * Adjust speedometer for larger tires (26 – 38 in.) * Calibrate speedometer for gear change (3.42-5.13) * Remove speed limiter for increased top speed * Adjust engine rev limiter for increased RPM range (+/- 400 rpm) * Adjust engine idle speed in Park/Neutral and Drive * New 'Keep Auto Stop Start Setting' allows you to disable the system using the button on the dash—and it stays that way! * New 'Keep Drive Mode Setting' allows you to select a drive mode and it will remember that mode next time you start the truck!

1.0 out of 5 stars ( 1 )

$849.95

Odyssey Drycell Batteries

Odyssey sealed rechargeable drycell batteries provide high engine-cranking pulses and are capable of 400 deep cycles. They can be installed on their sides or at any angle and have a 2-year storage life at 25 degrees C.

4.87 out of 5 stars ( 223 )

$588.99

Edge Evolution CTS3 Programmers

The next generation Edge Evolution CTS3 programmers will continue to include all of the great features, benefits, and extended coverage from the CTS2 product line, while adding a sleek, new exterior and cutting-edge screen. The Evolution CTS3s reprogram your vehicle's stock computer through the OBDII port, saves the factory files to easily return to stock, and then uploads the Edge calibrations. They come with multiple power levels custom tuned by a whole team of engineers, and can be installed in minutes without ever popping the hood. Edge Evolution CTS3 programmers greatly increase horsepower and torque, and not only re-tunes your vehicle, they stay mounted in the cab of the vehicle offering real-time, monitoring of vital engine and vehicle data for a complete gauge package. Edge Evolution CTS3 programmers feature: * Most comprehensive, state-of-the-art, multi-gauge/tuner touch screen display on the market * 3rd generation design is faster and more capable than ever * Power levels designed for daily driving, towing, performance, and extreme * Simple installation just plug into OBDII port--no wiring required * Monitor key vehicle parameters like transmission temperature, boost, rpm, and dozens more * Full color, 5 in. capacitive touch screen with auto-dimming * Offers crystal clear data at your fingertips * Highly customizable gauges and backgrounds * Boot-up directly to gauge screen upon key cycle * Swipe capability allows easy switching between screens as needed for towing, performance, economy, etc. * Built-in performance meter measures 0 to 60, mile times, and more * Advanced integrated data logger with export capability * Ability to add vehicle licenses to tune multiple vehicles with one product * Clear and read DTC codes * Wi-Fi updateable

3.62 out of 5 stars ( 13 )

$723.95

$849.95

XS Power Titan8 Lithium Batteries

XS Power Titan8 lithium batteries are designed for peak power. This Lithium Titanate Oxide (LTO) Series uses a very high-power lithium cell that is designed for very high-burst output (up to 100 times its capacity) as well as very high-charge current (30 to 60 times its capacity). This translates to a single 10Ah module that can support burst current up to 1,000 amps and can accept 300 amps of continuous charge current. The built in 2/0 bussing allows up to four positive and four negative hidden direct connections to each module without the need for any external exposed bussing, while still leaving two easily accessible top terminals and four series or parallel expansion terminals to easily build a bank of nearly any configuration from 12 V, 24 V, 36 V, or any configuration imaginable. Each module comes standard with a built-in balancing system and can be upgraded to include Bluetooth connectivity that allows remote cell monitoring, internal temperature sensing, battery health monitoring, and can be configured to send notifications to any tablet or smartphone when any user preset limit is met, including low voltage, over temperature, overcharge, etc. XS Power Titan8 lithium batteries are also offered in BCI direct fit models that are fully insulated with temperature monitoring built in that are suitable for use in the factory under hood position.

3.67 out of 5 stars ( 3 )

$599.99

$699.99

RideTech RidePro E5 Ride Height Sensor Kits

RideTech RidePro-HP Ride Height sensor kits upgrade your existing RidePro E5 pressure-based system. They work together to deliver the ultimate air suspension management systems measuring both pressure and ride height accurately. With the addition of RidePro-HP, ride height and spring balance (loads) are established by comparing the position of the ride height sensor to the air pressure within each air spring. Your car is leveled with no cross loading, which is especially important for dynamic driving scenarios where quick transitions occur, such as high performance driving, sudden directional changes, and panic stops. RideTech complete RidePro-HP kits include and feature: * Four ride height sensors * Four ride height sensor linkage kits * Group harness * 1/4 in. sensor bolts with Nyloc nuts and flat washers * Mounting tabs, heat shrink tubes, and installation guide * Easy installation * Heavy-duty ride height sensors * Bendable linkage rods with rubberized rod ends * Weatherproof connectors and wiring harnesses

2.0 out of 5 stars ( 1 )

$525.00

Granatelli Motor Sports Malevolent Coil Packs

Granatelli Motor Sports Malevolent coil packs deliver nearly twice the voltage as the competition. Rated at up to 85,000 V, these nasty little units not only increase power to your plugs, but improve fuel economy, throttle response, and idle characteristics. Malevolent coil packs are bred of a one-piece design that offers you a direct OEM replacement with simple plug-and-play installation—and they won't void your factory warranty! Increase your engine efficiency with improved combustion, powered-up though the intense-performing Granatelli Motor Sports Malevolent coil packs. Order the individual pack or set recommended for your vehicle and engine application.

5.0 out of 5 stars ( 15 )

$738.15

$775.06

MechMan High-Output Alternators

MechMan offers high-output alternators in a variety of styles, including 240 amp, 320 amp, and 370 amp versions. They can provide a 50 percent increase in amperage output vs. the stock originals. These robust alternators feature pure copper oversize diode rectifiers for outstanding durability. Higher output alternators provide more electrical support for aftermarket accessories such as light bars, winches, fridges, air compressors, inverters, large stereos, and more! Models are available for replacement or upgrade on many car, truck, van, and Jeep applications.

4.29 out of 5 stars ( 7 )

$519.00

$549.00

DiabloSport inTune i3 Platinum Computer Programmers

DiabloSport inTune i3 Platinum computer programmers come pre-loaded with industry-best Diablo tunes created by their experienced, professional calibrators. They too, are performance enthusiasts addicted to horsepower and racing—and they appreciate the need for custom tunes to take their vehicles to the next level with additional modifications. inTune i3 Platinum units will get your ride "dialed-in," whether you've added a cam, headers, a supercharger, or power-adder. The i3 performance programmers work hand-in-hand with CMR (Chip Master Revolution), allowing you (and the tuning shop of your choice) to tune specifically for your aftermarket modification—from there, the sky is the limit! You've made a significant investment in premium parts for your vehicle. Now let the DiabloSport inTune i3 Platinum computer programmers tie all the ingredients together to make your ride stand out! Order the model designed for your vehicle application.

4.05 out of 5 stars ( 147 )

$571.95

MechMan S Series Alternators

MechMan S Series 6-phase alternators offer incredible output in a compact and durable package. The 240 amp models offer the best balance between peak output, and output at engine idle RPM; while the 320 amp models are all about max power and not designed to charge at low idle speeds. Both S Series alternators feature 12 diodes, twin rectifier plates, and outstanding airflow ensure long service life, even in severe conditions. These units come equipped with a smaller 1.75 in. diameter alternator pulley, and will require a slightly shorter drive belt to be installed for proper belt tension. Order the model recommended for your auto application.

4.48 out of 5 stars ( 29 )

$519.00

$575.00

On Sale

ACCEL Super Coils

ACCEL Super Coils are engineered for a faster rise time and a longer spark duration. They produce higher spark energy for increased performance. These coils are available for a wide variety of specific engine applications. Order the set designed for your make and model.

4.53 out of 5 stars ( 799 )

$565.95

Summit Racing™ Battery Pro Packs

Summit Racing™ battery Pro Packs combo an Optima RedTop battery, Painless battery cable kit, and a tray/hold-down kit for a complete install in your vehicle. The high performance AGM RedTop is Optima's ultimate starting battery designed to deliver a strong burst of ignition power for a reliable start-up every time. The batteries offer longer life, more vibration resistance, no maintenance, and are virtually spill proof and mountable in most any position. Painless Performance battery cable kits include a red 1-gauge positive and a black 1-gauge negative cable with lightweight abrasion-resistant insulation capable of handling over 250 amps and heavy-duty terminals already installed, side post adapters, and high-amp crimp ring terminals. Their 16 ft. length make them ideal for trunk-mounted batteries and custom installs. The battery tray/hold-downs are made from premium aluminum and chosen to match the battery in the Summit Racing™ Pro Pack selected.

Not Yet Reviewed

$530.97

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