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MSD Ignition 84661

MSD Ignition Magnetic Pickup Assembly For MSD Billet & Pro-Billet Distributors

121-84661

made in usa
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$29.95
MSD Ignition Magnetic Pickup Assembly For MSD Billet & Pro-Billet Distributors $29.95
QTY
Magnetic Pickup Assembly
  • For MSD Billet & Pro-Billet Distributors
  • MSD Ignition 84661 Details

    Replacement Parts

    The MSD Magnetic Pickup replacement is the same high-output assembly that is currently found in all MSD Distributors, and the 2-pin connector is installed.

    Specifications:

    Quantity
    Sold individually
    Distributor Replacement Part Type
    Magnetic pickups
    Manufacturer's Part Number:
    84661
    Shipping Weight:
    0.3
    Package Height:
    7.6
    Package Depth:
    1.3
    Package Width:
    5.7

    No Matter Your Vehicle, MSD Has the Best Distributor for It

    Billet and Pro-Billet share the same features except the base. Billet models have Dupont Rynite glass-reinforced bases; MSD Ignition Pro-Billet models have aluminum bases.

    Billet Aluminum Housings made in CNC mills form flawless flex-free components that are accurate to within .001" without weak spots or porosity.

    Maintenance-Free Magnetic Pickups trigger MSD ignitions (except crank trigger models). Mounted to the distributor base, the pickup plugs directly into an MSD ignition control & a trigger signal is produced as the shaft-mounted zinc-plated reluctor passes by.

    Shaft & Ball Bearing Guides: MSD polished steel distributor shafts receive a QPQ coating that reduces friction and resists corrosion. Each shaft is guided accurately by a sealed ball bearing located at the top of the housing. At the bottom, an extra long sintered bushing controls the shaft. This combination spins smoothly and delivers consistent sparks even in a 10,000 RPM racing environment.

    Adjustable Mechanical Advance: MSD's adjustable mechanical advance assembly allows accurate modification of the advance curve to match a specific application. The advance plate is stamped and machined from chrome moly, weight pins are staked then TIG welded, and both receive a corrosion-resistant QPQ coating. Nylon bushings are installed to ensure smooth weight movement as centrifugal force advances the timing. The advance assembly is mounted on top of the distributor for easy-to-access adjustment. Three sets of advance springs and four stop bushings are included to set up 24 curves.

    Pro-Billet Ready-to-Run Distributors are ideal upgrades for outdated and/or bulky systems, and they couldn't be simpler: drop one in, connect three wires, and fire up the engine. They come equipped with a gray tach output wire which will trigger a tach or an aftermarket EFI system. Also included is an adjustable Rev Limiter. Their ignition module creates a powerful inductive spark that improves fuel mixture combustion for quick starts, smooth idle, and great performance.

    Compatibility: Except Ready-to-Run and OE models, MSD distributors require an MSD ignition control.

    JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need. Featuring MSD components, Ready-to-Run Ignition Kits include: Pro-Billet Ready-to-Run Distributor, Blaster 2 Coil, Super Conductor 8.5mm Spark Plug Wires, Coil Wire & Spark Plug Wire Separators.

    84661 is rated 4.7 out of 5 by 7.
    Rated 5 out of 5 by from Looks the same side by side. I bought this one to replace the one that went bad. It was a easy exchange. This one is for my back up or another engine I am building.
    Date published: 2016-12-05
    Rated 5 out of 5 by from Looks just like the original. I have installed it and was very easy. Checked it with my fluke meter and all is well. This is my back up distributor so it won't be used until I need it. It also fits using a air-gap intake in my 351W block.
    Date published: 2016-11-24
    Rated 5 out of 5 by from Great product Excellent product that puts a good non functioning distributor back in service again. Easy to install.
    Date published: 2016-09-15
    Rated 5 out of 5 by from exactly what i needed as usual parts showed up in a timely fashion were the correct parts at a fair price
    Date published: 2015-06-04
    Rated 3 out of 5 by from JEGS GREAT, MSD NOT SO GREAT. JEGS IS GREAT, FAST ONE DAY DELIVERY. MSD - POOR MOUNTING DESIGN, HAD TO REMOVE DISTRIBUTER & TEAR IT HALF APART TO GET TO PICKUP MOUNTING BOLTS. POOR MOUNTING DESIGN & COULD HAVE BEEN SIMPLE EASY FIX IF DESIGNED BETTER (BOLT MOUNTED FROM TOP RATHER THEN BOTTOM). ORIGINAL PICKUP ONLY LASTED ABOUT 1000 MILES, HOW LONG WILL THE NEW PICKUP LAST ????
    Date published: 2015-06-04
    • y_2018, m_10, d_18, h_3
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.8
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    • clientName_jegs

    Will this fit a 8516 distributor

    Asked by: Frank69
    Yes, this will fit your pro billet distributor.
    Answered by: Rusty B
    Date published: 2018-09-17

    This looks just like the Accel part #31086, which is no longer available. Will this work for an Accel Street Billit distributor?

    Asked by: 85dodge77
    This kit may work for your Accel distributor - https://www.jegs.com/i/JEGS/555/40611/10002/-1
    Answered by: Rusty B
    Date published: 2018-06-13

    Will this work on Probillet PN 85551?

    Asked by: 1999 FLHT
    Yes, this will fit that distributor.
    Answered by: Rusty B
    Date published: 2018-03-09

    Will this pickup fit MSD -8546

    Asked by: Joe dd
    This is compatible with the 8546 distributor.
    Answered by: Jon Jegs Tech
    Date published: 2018-02-17
    • y_2018, m_10, d_18, h_3CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
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    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.