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If your racecar, Corvette, or race Corvette requires a distributor with a mechanical tach drive, these Pro-Billet Tach Drive distributors from MSD are what you need. Their race-proven magnetic pickup delivers precise trigger signals to your MSD ignition every time one of the reluctor's precision paddles pass by. This reluctor assembly is connected to an oversized steel shaft for increased strength and endurance, and is responsible for triggering the magnetic pickup. Inside the stout billet 6061-T6 aluminum housing, a sealed ball bearing and long sintered bushing guide the 0.500 in. steel shaft for high-rpm accuracy. Just above the reluctor is an adjustable mechanical advance assembly that lets you tailor a timing curve to match your engine's needs. This assembly is TIG welded for strength, and features chromoly weights and nylon pads to ensure smooth advance as the rpm increases. Corvette models feature a vacuum advance, and are available with or without an adjustable slip collar for engines that have had the deck height modified or use exotic intake manifolds. The distributors also feature a Rynite base. The tach drive assembly has a grease fitting for lubrication, is compact to clear the firewall and linkage, and can be repositioned easily to fit different applications. These distributors require the use of a separate ignition box, such as an MSD 6, 7, 8, or 10 Series ignition.
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$669.95
$601.95
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
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
( 1 )
$549.95
$493.95
On Sale
If you run a blower, turbo, or even a naturally aspirated engine, MSD's Boost Timing Masters allow you to run at the edge of detonation for maximum power output. They can prevent detonation by automatically retarding the timing as your manifold pressure increases. The secret lies in a boost pressure sensor that's inside MSD's solid-state control box. The sensor reads boost pressure through a 1/8 in. vacuum hose attached to a boost pressure source. The result gives you peak power without harmful detonation. A dash-mounted control knob allows you to dial in the retard from 1 to 3 degrees per pound of boost pressure, up to a maximum retard of 15 degrees. Vacuum tubing is not included. These units must be used with an MSD 6, 7 or 8 series ignition.
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$926.95
$833.95
On Sale
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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$699.95
$628.95
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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$499.95
$448.95
On Sale
MSD Pro-Billet distributors share the same CNC machining techniques as the rest of the MSD distributor line. They feature a housing that's machined from high-quality 6061-T6 aluminum for durability and show-quality looks. Their oversized shaft receives a QPQ coating for friction reduction and corrosion resistance, with the added strength of two sealed ball bearings that guide the shaft accurately at well over 10,000 rpm. An extra-long sintered bushing replaces the ball bearing at the bottom of Chevrolet models. TIG-welded on top of the polished steel shaft is MSD's accurate mechanical advance assembly. The weights are supported by nylon pads that allow the advance to operate smoothly throughout the rpm range. For all-out racing, the advance mechanism can also be easily locked out. To accurately trigger the ignition, a high-output magnetic pickup is bolted to the base. This pickup produces a precise trigger signal that will never vary more than one degree at any rpm. A durable gear is installed for performance applications, and an MSD red cap with brass terminals and race rotor is supplied. They're available in standard and small diameter models for applications with limited clearance, and require the use of a separate ignition box such as an MSD 6, 7, 8, or 10 Series ignition.
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$449.95
$403.95
On Sale
MSD billet distributors are one of the finest street performance and racing distributors available. The distributor housings are precision-machined on CNC lathes from billet 6061-T6 aluminum to within +/- 1/1,000 in., producing a housing that's stable, lightweight, and less prone to flex. They feature an upper-sealed ball bearing to guide the distributor shaft and prevent shaft wobble at high rpms, and O-rings at the bottom of the base for improved oil control. The shaft is polished and QPQ-coated to minimize friction and allow the distributors to operate through 10,000 rpm. An adjustable mechanical advance assembly allows you to accurately and easily modify the advance curve to match your specific application. MSD premium distributors come complete with a race rotor and alkyd cap.
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$526.95
$473.95
On Sale
MSD Digital E-Curve distributors will drop right into your engine and fire up with three simple connections! Not only are there no external controls or boxes to mount and connect, but you can set a timing curve with the twist of a rotary dial! That's right, no more springs or stop bushings to fumble with. A new digital module lets you select from 20 different "centrifugal" curves and five vacuum curves--that's 100 combinations! Simply remove the cap to access the rotary dials and select a curve to match your application. You can also set an rpm limit that will protect your engine from over-rev damage caused by a missed shift or driveline failure.
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$849.95
$763.95
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