Account Login
Gift Cards
Track Order
Help Center

MSD Ignition Super Conductor 8.5mm Wires Red


Product Q&A
View Now
Click image to zoom
Super Conductor 8.5mm Wires Red
2 left in stock
Super Conductor 8.5mm Wires
  • Red
  • Chevy/GMC Truck 8.1L
  • Coil Boots: LS1
  • Plug Boots: Straight (Multi-angle)
  • Ships
    39849 is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Nice Surprise I thought the price was kind of high, but they came with spark plug boots to protect them from the headers. That was a very nice surprise...Thanks...
    Date published: 2022-05-23
    Rated 5 out of 5 by from Great fit Great service and price, the best fitting wires for LS applications using the Pro Form valve covers and coil mounts
    Date published: 2020-03-23
    • y_2023, m_12, d_7, h_8
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.37
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_2
    • loc_en_US, sid_10001_10001_91616, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    how long are these and are they all the same length.

    Asked by: Mike
    The MSD 121-39849 wires are 13 inches long each.
    Answered by: jshook
    Date published: 2023-04-12
    • y_2023, m_12, d_7, h_8CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.37
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_91616, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Related Products

    Super Conductor Wires for Ford 255, 302 (5.0L) and 351W (5.8L) engines in various Cars and Trucks from 1977-1993. Includes two different coil wires for coils with a socket (Female) and HEI (Male Post) terminal design.Custom fit for make and ...
    Super Conductor Wires for various GM Products with factory HEI distributor 1975-1987 Buick All 265, 301, 307, 350, 4031975-1980 Cadillac All 350, 350R1974-1976 Chevy/GMC Cars/Trucks 4541974-1983 Oldsmobile All 260, 307, 350, 403, 4551975-1992 Pontiac All 260, 265, 301, 350 W/O ...
    Super Conductor Wires for various Ford Cars with following engines: 351C, 351W, 352, 390, 400, 429, 460. Wires will work with factory Socket caps and covers from 1965-1976.Custom fit for make and model listed.Wires are precut to exact specificationsBolt-on performance. ...

    Recently Viewed

    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.


    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.