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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
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$499.95
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$699.95
$274.95
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$628.95
On Sale
The new Ultra 6AL Plus ignition boxes deliver full MSD power in a compact, lighter package! The Ultra 6AL Series continues to use a high-speed controller that can make extremely quick compensations to the output voltage, multiple spark series, timing and rpm limits, while maintaining precise timing and accurate rev limiting. The circuits and controller of the MSD have been thoroughly filtered to create protection against Electro Magnetic Interference (EMI). Ultra 6AL Series features a capacitive discharge ignition design. (The majority of stock ignition systems are inductive ignitions, in which the coil must store and step up the voltage to maximum strength in between each firing. At higher RPM, since there's less time to charge the coil to full capacity, the voltage falls short of reaching maximum energy—which results in a loss of power or top end miss.) MSD Ultra 6AL Plus ignition box details: * High conversion efficiency ensures minimal heat generation and maximum spark energy output with less current draw from the battery * High RPM operation and maximum output using the Blaster HVC, PN 8252 or HVC II, PN 8253 * Powerful capacitive discharge of multiple sparks improves performance * Consistently high spark energy of 135mJ to 150mJ for every firing, from idle to redline RPM * Increase spark series duration lasts for 18 of crankshaft rotation * Easily installs on 4, 6, 8-cylinder engines with distributors * Operates on most 7 to 28 volt electrical systems * Connects to points, magnetic pickups, and hall/crank input distributors * Bluetooth connectivity to mobile app interface for settings and monitors * MSD CAN communication for easy connectivity to MSDView using a CAN MSD Hub and Power Grid USB or CAN-USB Bridge 89982 product * Straight USB port to easily connect to MSDView using a laptop * Fully protected against an open coil, shorted coil and open load * Compact design full MSD power * Quickens throttle response and improves starting * Tach Output * Launch, Burnout, and Step Retard activation inputs available. This ignition box has a built-in tri step RPM rev limit controlled by the mobile app * Mobile app available settings: Step retard value, Launch RPM value, Burnout RPM value, Max (Race) RPM Value * Programmable Step Retard: On Ramp time, Off Delay, Off Ramp Time, Engine RPM for activation * Programmable Start Retard through rotary switches: 0, 10, 20 degrees * Programmable cylinder selection through rotary switches: 4, 6, and 8 cylinders * Alerts and monitors available * High level of security connection from phone to Ignition box (encryption), including sequence in push button implementation * Maximum programmable retard of 35 degrees * Programmable timing curves in 2D plots or 3D tables (RPM vs Timing vs MAP Pressure); you can plot the 3-D graph and edit a table 20x20 either from mobile app (phone) or from MSDView (laptop) * Programmable Launch Timing (seconds vs degrees after launch wire activation) * MAP sensor interface up to 400 kPA (58 psi / 4 Bars) * Capable of programming cylinder selection and start retard without a computer or app for old school racers (like 6425 or 6428 box)
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$467.95
$420.95
On Sale
MSD Pro-Billet locked-out distributors are built from strong billet aluminum for engines that run locked-out timing or an MSD timing computer. With no advance assembly, the rotor plate is welded directly to the oversized shaft. A sealed ball bearing guides the top of the shaft, while an extra-long sintered bushing stabilizes the lower portion. This extra support ensures stable and accurate timing signals throughout your engine's entire rpm range. Trigger signals are produced via a high-output magnetic pickup. This pickup is extremely accurate and never requires adjustment. A precision-manufactured reluctor is responsible for triggering the pickup. Since these distributors are designed primarily for race engines, an oversized (+.006 in.) bronze gear is installed, along with an adjustable slip collar for modified blocks, heads, or intake manifolds.
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$468.95
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$499.95
$421.95
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$448.95
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From light bulbs, to the high-speed retard function on an MSD timing computer, to air shifters, these MSD rpm activated switches turn on almost anything. They use MSD's plug-in rpm modules to turn on your components at any rpm you select.
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$177.95
$160.15
On Sale
There are two ways to limit your rpms. The rough way simply cuts off ignition spark, which can cause backfiring, extreme engine roughness, and possible engine damage. The gentle way is with these MSD Soft Touch rev controllers. They use sophisticated computer circuitry to drop spark one cylinder at a time, until your engine is at or below its maximum rpm. Those cylinders are then fired on the next cycle, to prevent them from loading up with fuel. The result is smooth rev limiting action without all the rough stuff. There are two versions of the Soft Touch rev controllers--one for MSD's 6T, 6TN, 6HVC ignitions, and one for OEM electronic and points ignitions. Both come with 6,000, 7,000, and 8,000 rpm plug-in modules, and can be used with other modules or MSD's RPM module selector.
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$249.95
$224.95
On Sale
MSD MC-4 programmable ignition controls for motorcycles combine multiple spark discharge and digital computer accuracy into one compact ignition system, giving you the best of both worlds. You'll be able to program the MC-4s at the track, on the dyno, or wherever, with or without a computer! The supplied Pro-Data plus software gives you just what you have been waiting for--the ability to program ignition timing curves to suit your engine's needs. These MC-4 ignition boxes are for use with single or dual spark plugs per cylinder, and are 1, 2, or 4-cylinder selectable. Features include: * Computer interface for easy programming * 0-25 degree start retard * Mapable run timing curve * Launch ramp delay by time 0-2.5 seconds * 3-step retards by rpm or switch * 0-2.50 second step retard off delay for precise nitrous control * Progressive timing retard by time for progressive NOS * Launch timing curve to prevent tire slippage * Individual cylinder timing when optional cam sync sensor is used * Gear retard--retard a different amount for each gear * Shift kill feature with programmable delays 20-99 milliseconds * Shift kill modes for manual, auto 1, 2, and auto 1, 2, 3 * Optional boost retard curve when used with an external MAP sensor for turbo applications (2-45 psi) * Built-in rpm-activated window switch--turn "on" any device up to 3 amps at any rpm, then back off at a different rpm * Sequential shift light--turn on an optional shift light at a different rpm for each gear * Sequential shifter turns any air shifter into a fully automatic shifter (3 amps max) * Tach output wire for tachometers or data recorders * Monitor mode for easy setup or 3-step switches
Not Yet Reviewed
$1,599.95
$1,438.95
On Sale
Holley Sniper EFI HyperSpark distributor kits were designed to make upgrading your ignition on a Sniper EFI-equipped engine simple. When installed concurrently with a new Sniper EFI system, the combination creates the easiest way to install EFI conversion on the market—and only four flying lead connections are required! The harness only requires one connection to a switched power source, battery positive, battery negative, and fuel pump power. The pre-terminated connectors and a built in 40A relay provides power to all of the components within the system. With the included Sniper EFI main harness you no longer need to run multiple wires to provide switched power for each individual component, which not only helps prevent wiring confusion, but it will also speed up your install time and clean up your engine bay. Simply route the harness and pre-terminated connectors to your HyperSpark coil, distributor, and ignition box and plug them in. Available for all popular engine combinations, these kits come with a distributor, coil, ignition box, and an integrated Sniper EFI harness. Order the application you need. Key features: * Plug-and-Play Sniper EFI main harness replaces the standard Sniper EFI harness with four loose leads, battery positive, battery ground, switched 12 V, and fuel pump power, for a simple and streamline installation * Designed for existing or new Sniper EFI installations (the HyperSpark Master Kit harness retains the same flying lead wire colors as the Sniper EFI main harness; new installations will not use the Sniper EFI standard harness or coil driver * Complete ignition system in a box, including: HyperSpark ignition box, HyperSpark ignition coil, HyperSpark distributor (for your application), and a plug-and-play main harness * HyperSpark distributors feature a Hall Effect crank trigger sensor providing a noise-free rpm signal to the Sniper ECU * Patented clear installation cap eliminates any confusion while installing the distributor * HyperSpark CD ignition box is seal and powder coated to be installed in the harshest of locations * External LED on HyperSpark CD Ignition box helps verify 12 V, cranking rpm, and low battery voltage * 135mJ of spark energy when used with the HyperSpark ignition coil, ensures complete combustion * Integrated ignition coil bracket simplifies mounting the Ignition coil * Ignition coil connector removes any doubt of loose connections at the Ignition coil * Enables timing control on a Sniper EFI Installation
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$999.95
$898.95
On Sale
Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Introducing Holley Sniper EFI HyperSpark distributors. These billet distributors use a hall-effect crank signal sensor, providing a noise-free RPM signal to the Sniper ECU. HyperSpark distributors include a patented clear installation cap that eliminates any confusion when installing the distributor. They're an easy plug-and play solution to add timing control and complete your Sniper EFI installation. Many options are available; choose the model recommended for your year/make and engine application.
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$403.95
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$628.95
On Sale
Finally, all-out performance distributors to replace the OEM GM LT1 Optisparks--MSD's Pro-Billet LT1 distributors. They feature a precision-machined billet aluminum housing that fits in place of the factory piece, a new pickup assembly, a trick timing adjustment mechanism, and a new MSD distributor cap and rotor. The pickup is an advanced optical encoder that has proven to be very reliable and stable through extreme rpm and conditions. The rotor is bolted to a drive assembly that is indexed to the shaft, and is stabilized through the use of a large ball bearing assembly. The distributors use an adjustment screw to advance or retard the timing by up to 5 degrees.
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$799.95
$718.95
On Sale
Holley Sniper HyperSpark ready to run small cap distributors adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an ignition box or external coil driver. The design includes a single Hall Effect sensor providing engine rpm to the ECU. The precision shutter wheel design ensures accurate timing, even at very high engine speeds. They can also be used with other EFI systems that support a Hall Effect crank signal input. Order the model designed for your application needs. Features: * Easiest plug-and-play way to add timing control to any Sniper EFI installation * Designed to work with HyperSpark ignition coil (PN: 556-152); also compatible with most canister ignition coils using the supplied ring terminals * Built-in ignition coil driver, safely provides enough spark energy for applications up to 450 hp * Patented clear installation cap eliminates any confusion while installing the distributor * Cast aluminum distributor housing looks right at home in nearly every engine bay * Comes with cast gear installed—contact camshaft manufacturer for recommended gear material * Comes with steel gear for SBF applications with an aftermarket camshaft * Precision shutter wheel provides the ECU a clean rpm signal via a single Hall Effect sensor, ensuring accurate timing even at high engine rpm * Shutter wheel design allows for a "timed sequential" fueling strategy with Terminator X, HP, and Dominator ECU's * Includes wire retainer for a clean installation
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$499.95
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$549.95
$302.95
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$493.95
On Sale
ACCEL adjustable vacuum advance canisters for GM HEI are designed to give you instant horsepower and throttle response. Adjustable vacuum advance chambers permit infinite settings for both the amount and rate of advance. The advance chambers include an adjustment wrench and an instruction guide. To optimize your engine's timing curve, you need ACCEL adjustable vacuum advance chambers for GM HEI.
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$52.69
$47.45
On Sale
Specifically designed for use with the Holley 8.2 in. SBF Hi-Ram intake manifold, these EFI low-profile SBF Dual Sync distributors share all the same great features of other Holley EFI Dual Sync distributors. The design includes dual Hall effect sensors for the crankshaft and camshaft signals. They can be used as just a crank speed input, as well as providing a cam sync signal for a sequential fueling operation—or to provide the needed crank and cam signals for coil-on-plug applications. The precision-machined shutter wheel design ensures accurate timing, even at very high engine speeds. Holley Sniper EFI low-profile SBF Dual Sync distributors also provide compatibility with other EFI systems that support Hall effect crank and cam sensors. Product features include: * Plug-and-play with Holley EFI * CNC-machined billet aluminum housing * Integrated LEDs allow for easy setup * Hardened steel distributor gear
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$549.95
$493.95
On Sale
MSD Pro-Billet Dual Sync EFI distributors feature high-quality dual Hall effect sensors, a QPQ coated precision billet shutter wheel, and distributor shaft that's guided by a sealed ball bearing. They also include a race-proven distributor gear, and a performance cap and rotor. The distributors are designed for use with Holley EFI systems; they may also fit other systems requiring a Hall effect sensor. Order the model recommended for your vehicle and engine application. (Note: an ignition adapter is required when Pro-Billet Dual Sync EFI distributors are utilized with Sniper EFI.) Features, specs, and parts may include: * CNC-machined billet aluminum housing * Precision-machined shutter wheel designed for improved accuracy at extreme engine rpm * Plug-and-play with Holley EFI * Can be used to trigger popular TBI fuel injection systems * Hall Effect sensor design provides precise timing control and noise immunity * Integrated LEDs allow for easy setup * Shutter wheel is pinned and welded to distributor shaft for superior reliability
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$499.95
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$579.95
$302.95
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$520.95
On Sale
MSD Pro-Billet Street distributors are a popular choice for those who desire race-proven performance for their street machine. A vacuum advance canister provides improved economy, and the proven MSD mechanical advance mechanism allows you to dial in a timing curve to fit your needs. As always, an advance kit of springs and stop bushings is included. The housing features an all-billet 6061-T6 aluminum design for accuracy to within .001 in. An oversized steel shaft is QPQ-coated for low friction, and rides in sealed ball bearings at the top and bottom of the distributor. An extra-long sintered bushing replaces the ball bearing at the bottom for Chevrolet models. This combination keeps the shaft steady, creating accurate spark delivery at any rpm. They rely on a magnetic pickup to trigger the MSD ignition control, which delivers the powerful sparks to the coil. This pickup is extremely accurate and never needs adjusting. Pro-Billet Street distributors require the use of a separate ignition box, such as an MSD 6, 7, 8, or 10 Series ignition. Order the model recommended for your vehicle and engine application.
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$649.95
$583.95
On Sale
FiTech Go-Spark distributors feature 2-wire magnetic pickups, compact bowl and cap designs to fit into locations where a larger or bulkier distributors will not, and adjustable advance systems, vacuum and/or mechanical, that allow you to dial in a timing curve for any high performance need or for more economy when cruising at light loads on the street or highway. CNC-machined housings, centerless ground shafts, Oil-Lite bushings, hardened drive gears, and FiTech's 3-year limited warranty make Go-Spark distributors very popular. Choose one for your vehicle. Features: * CNC machined 6061 T-6 aluminum housing * Centerless ground shaft that rides on an upper sealed roller or ball bearing * Extended length lower bronze Oil-Lite bushing for smooth operation at high rpms * Melonized or hardened iron drive gear ensures long service life * High-output magnetic pickups and paddle wheel reluctors ensure strong, stable trigger signals—even at higher rpms * Cap and rotor are 30 percent glass filled polyester (PBT) that offers high-impact and dielectric strength, and resistance to carbon tracking * Cap contacts are brass, the rotor spring is stainless steel for long-term maximum conductivity * Dual 2-wire magnetic pickup models available--pickups are placed 180 degrees apart to provide a complete redundant ignition system for racing applications * Height adjustment for deck height differences (not all Go-Spark models)
Not Yet Reviewed
$199.00
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$459.00
$169.15
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$390.15
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