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FiTech throttle bodies provide high-flow for your LS engine. They are built with cast aluminum construction and include the IAC motor. They are offered in two low-profiles with diameters of 92mm and 102mm available.
( 49 )
$192.00
$172.80
On Sale
Holley Terminator X engine management systems let you take control of your domestic V8 engine. These kits give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X features real-time fuel learn, high impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. All systems come fully loaded with base maps for common engine combinations to get you out of the garage and onto the road or track fast. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors. (Will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables: 4 x 1D tables, 1 x 1D per gear table, 4 x 2D tables, 1 x 2D per gear table * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most domestic V8 engines, as well as tuning and gauge display functions (not available with every kit)
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$1,349.95
$877.95
On Sale
Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions
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$1,789.95
$1,163.95
On Sale
FiTech Ultimate LS Loaded intake manifold kits are just like the systems, but without the ECU and hand-held controller. FiTech Ultimate LS Loaded intake manifold kits will have: * Low-profile 92mm or 102mm (750 hp kits only) inlet aluminum fabricated intake with 1,500 to 6,500 rpm powerband, 3mm construction, TIG-welded, black anodized with embossed FiTech logo * CNC-machined with O-ring gaskets and hardware included * High-flow cable operated 92mm or 102mm (750 hp kits only) throttle body * Parabolic inlet machining for smooth throttle transitions, same as OE * Throttle body features progressive linkage pulley with double-return spring and adjustable stop * Billet fuel rails with AN fittings and fuel crossover * 36 or 55 (750 hp kits only) lbs./hr. flow-matched injectors
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$965.00
$868.50
On Sale
FiTech presents Ultimate LS standalone ECUs. These self-learning ECUs are offered with and without transmission control. So if you're considering utilizing a factory intake, throttle body, and injectors, FiTech Ultimate LS standalone ECUs will get your engine ready for optimal performance.
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$959.00
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$1,202.00
$863.10
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$1,081.80
On Sale
With ATK High Performance Chevy LM7 5.3L 385 hp long block crate engines expect big mid to upper end power and a noticeable idle. They were designed to be performance upgrades for a 1999-2007 Chevy truck LM7 or an LS swap in a hot rod. Technical specifications include: * Horsepower: 385+ * Torque: 390+ * Block: GM 5.3L iron LM7 * Bore/stroke: Up to 3.809 x 3.622 * Year range: 1999-2007 * Displacement: 323 c.i.d. * Crankshaft: OEM GM 3.622 in. stroke internally balanced 24 tooth reluctor wheel .857 in. flange * Connecting rods: OE GM forged powder metal 6.093 in. stock bolts * Pistons: Hypereutectic dish * Piston rings: Moly rings * Compression ratio: 9.5:1 compression * Camshaft: Hydraulic roller * Camshaft specifications: Custom grind * Camshaft bearings: Installed and clocked to OEM position * Cylinder heads: OE aluminum 61.15cc 1.89/1.55 * Freeze plugs: Brass installed and sealed * Rocker arms: OE powdered metal 1.7 ratio * Oil Galley plugs: Installed and sealed * Weight: 385
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$4,189.99
$3,989.99
On Sale
All American Billet Silverline Series serpentine kits are designed to give any engine an aggressive black style, highlighted by machined finished areas for a truly standout look! These kits come standard with high performance accessories. Enjoy a no-hassle installation with all the hardware and necessary components included in the box. A variety of setups are available to fit models with or without power steering and air conditioning. Dozens of models are available; order the kit recommended for your vehicle and engine application.
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$2,895.00
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$3,395.00
$2,745.00
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$3,245.00
On Sale
Flowmaster Super 44 Series mufflers use the same technology as the original Super 40 mufflers—but also offer some distinct advantages. The Super 44s deliver a deep, rich tone with an improved flow path radius, optimum internal flow, and sound control engineering, all created with Delta Flow technology. They're the most aggressive, deepest sounding, highest performing 4 in. case street mufflers that Flowmaster has ever built. These American-made, all-black mufflers exceed OEM specifications for use on street cars, race cars, and sport trucks. Super 44s are ideal when dynamic sound, torque, and horsepower improvements are demanded in a smaller high performance muffler. Their maximum performance and improved flow path will generate more torque and power than ever before! If you really want to hear your exhaust system inside as well as outside of your vehicle, then order the Flowmaster Super 44 muffler best suited to fit your application.
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$134.95
$101.95
On Sale
FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile 92mm billet throttle body, high-volume billet fuel rails, and an intake manifold with 1,500 to 6,500 rpm powerband and 3mm construction. Sequential spark and fuel control mates 36 lbs./hr. injectors, a plug-and-play wiring harness, and a color touchscreen self-learning ECU. This allows for programing two fan control outputs, most tach and speedometer output drivers, and target AFR and timing on the fly. A suction cup mounting bracket puts the controllers at your fingertips and allows for impressive visual aids. The optional transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 GM transmissions. FiTech LS EFI 500HP fuel injection systems with transmission controller provide impressive power and performance, while allowing you to save a little green for your next tires. Additional features: * Black anodized aluminum parts for style and corrosion resistance * High-flow, cable-operated throttle body * Bosch wideband-controlled * Stainless oxygen sensor bung * Compatible with car and truck coils * AN fittings and fuel crossover * Works with custom cams * Designed for applications making at least 6 in. of vacuum at idle * 24X and 58X crank and cam compatible * Programmable touchscreen hand-held controller with data log features
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$1,806.00
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$2,107.00
$1,625.40
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$1,896.30
On Sale
XForce Varex exhaust systems deliver the power, sound, and style you desire. Fabricated with the strength and beauty of 304 stainless steel, they're also designed for unrestricted flow and high performance. The systems feature XForce's patented muffler innovation, Varex, that's engineered with sophisticated butterfly valve mechanisms. This allows you to select optimal power output and sound levels to meet your desired preference by directing the flow of exhaust gases. You can choose to purr in street mode, roar in racing mode, or growl somewhere in between. XForce Varex exhaust systems look fabulous and hand the control of power and sound to you. Order the style, size, and configuration recommended for your vehicle.
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$899.10
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$1,890.00
$809.19
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$1,701.00
On Sale
A properly fabricated intake manifold can produce significant gains in your engine's performance. Add one of our Summit Racing™ fabricated intake manifolds to your engine combination to make more power! Each of these stock/OEM deck engine block style intake manifolds is manufactured to exacting standards utilizing the latest CNC machining and fabricating equipment. Simply find and order a perfect fit for your specific make and model vehicle.
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$349.99
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$429.99
$249.99
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$329.99
On Sale
FiTech intake manifolds provide you with great manifold and fuel rail package to start your project. The low-profile intake manifold is fabricated from T-6061 aluminum with 102mm inlet and a 1,500 to 6,500 rpm powerband. The billet fuel rails include AN fittings and fuel crossover. FiTech includes hardware, as well.
( 5 )
$483.00
$434.70
On Sale
FiTech throttle cable brackets offer the best mounting and security for your FiTech EFI system. They are manufactured from strong steel and powdercoated black for lasting good looks.
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$37.00
$33.30
On Sale
Hooker Blackheart headers deliver premium performance with a reasonable price. Hooker utilizes stainless steel and mild steel for construction of these headers designed for optimum flow, maximum velocity, and ground clearance. Whether you're looking for shorty headers or long tube, Blackheart headers are available in a variety of styles and sizes to fit a wide selection of vehicles from luxury rides to sports cars, modern muscles, and even trail-blazing rigs. When it's time to tear the heart out of the competition, choose Blackheart from Hooker!
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$684.95
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$1,449.95
$376.95
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$1,087.95
On Sale
Summit Racing™ OEM LS valve covers make a great choice to service and maintain your vehicle's LS engine. They are made from premium materials to OEM specifications for proper fit and performance, as well as good looks under the hood. Choose the replacement valve covers for your application.
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$59.99
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$80.99
$57.99
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$76.99
On Sale
Summit Racing™ forged crankshafts offer maximum strength and the best value for your dollar! Our crankshafts are non-twist forged from certified 4340 steel. They are put through several stages of heat-treatment, and then stress-relieved and shot-peened to provide the strength and reliability you demand for your high performance application. Each journal is micro-polished and a .125 in. radius is used for increased strength. Summit Racing™ forged crankshafts help you get the most in value and performance.
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$1,019.99
$949.99
On Sale
QuickTime bellhousings for Circle Track, strip, and street applications are built from high-grade steel. The cone is spun, not rolled or stamped, allowing these bellhousings to be the most dimensionally stable and accurate for today's high performance vehicles offering proven performance. Choose the size and specs needed for fitment on your particular vehicle, then bridge your transmission and engine with a QuickTime bellhousing.
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$1,049.95
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$1,249.95
$659.95
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$812.95
On Sale
FiTech Go-Spark ignition coils will help complete your LS EFI swap or even update your modern muscle car with a fresh jolt of energy. These coils were developed to deliver optimum output with a quality fit and reliability. They bolt in place of the originals—and accept the sealed, locking connector and plug wire terminal for a simple upgrade. If you're looking for a little more dazzle under your hood, choose a model with a built-in LED that flashes when the coil is firing. All coils are sold individually or in a set.
Not Yet Reviewed
$45.00
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$369.00
$40.50
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$332.10
On Sale
These Flowmaster Scavenger Series Elite headers open up airflow for serious added power. All Scavenger Series Elite headers are made of high-quality stainless steel and have been polished ceramic coated. They are available in several styles, such as shorty, full-length, and block hugger to accommodate a large variety of vehicles. They have a standard flange design and include bolts and gaskets for installation. Get yourself a set of these Flowmaster Scavenger Series Elite headers to keep yourself ahead of the competition.
( 68 )
$1,159.95
$753.95
On Sale
Hooker Blackheart LS swap exhaust manifolds provide stainless steel versions of their popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR family. The new stainless steel manifolds offer several advantages over the cast iron versions, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight-tuck design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance. Available in both natural cast (factory look) and polished, Hooker Blackheart LS swap exhaust manifolds include all the necessary hardware (gaskets, bolts, and flanges). More product features include: * 2 1/2 in. outlet diameter offers improved flow for maximum performance from a cast exhaust manifold * Tight-tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance * Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired * Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware * Stainless Steel construction for unmatched durability and corrosion resistance * Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
( 2 )
$549.95
$412.95
On Sale
Holley Terminator X Stealth 4150 24X LS EFI systems feature four 100 lbs./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 600 hp on forced induction applications. The Terminator X ECU provides fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! Holley Terminator X Stealth 4150 24X LS EFI fuel injection systems also include transmission kick-down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications. System features include: * All wiring exits below the fuel injector bowls for a complete stealth installation * Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions * Integrated ignition timing control offers plug-and-play with factory LS coil sub-harness and OEM LS coils (no external boxes/modules needed to run coil near plug) * High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays * Simple calibration wizard—no laptop required * Four inputs (12 V, ground, 5 V, and frequency) for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (fuel and oil pressure inputs are pre-terminated) * Four outputs (ground, PWM -) for accessories such as fans, boost control, nitrous control, IAC kit, and more * Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * OEM-style TPS/IAC for years of dependable service * Available in three finishes: shiny, black, and gold * Compatible with Holley EFI digital dashes, gauges, and fuel system accessories
Not Yet Reviewed
$2,249.95
$1,462.95
On Sale
With Holley Sniper throttle bodies, Holley engineers went back to the drawing board to build the ultimate air valve for your engine! They feature enlarged bore sizes, allowing for increased airflow to support your higher horsepower needs. A progressive throttle pulley enhances low-speed drivability, and a double return spring provides solid and secure throttle control feel. These units are maximized for your application, with a 4-bolt style mounting pattern; most models include bolts and gaskets. Order the throttle body designed for fitment with your year/make and engine family.
( 39 )
$302.95
$196.95
On Sale
Holley aluminum LS valve covers will give your Chevrolet LS Series engines a totally new look. Manufactured from cast aluminum, they come in four different finishes, and feature a billet aluminum oil fill cap. Some valve covers in this series eliminate the need for the factory ignition coil bracket. Instead, the coils bolt directly to the valve covers for a nice angled look! Holley aluminum LS valve covers reuse the factory gaskets and bolts, will work with .750 in. lift camshafts using stock-style rocker arms, and fit all ignition coils with 72mm spacing.
( 141 )
$267.95
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$749.95
$147.95
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$454.95
On Sale
These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines. They feature a large inner diameter bore to decrease fuel pressure drop and help cancel out back pulses.
( 54 )
$338.95
$220.95
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