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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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25% Off Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs, A/C Parts, Belts, Water Pumps, Drums & Rotors, Pads & Shoes, Calipers, Brake Hydraulics. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Wagner and BBK Performance. Valid online until 2:59 am EST on 4/30/17.

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$39.99
$29.99
With Promotion
  • Part #: 74100|
  • SKU: 9968811

Available today

Pay in Store Available

    • Rating: 20 amps @ 6-36 volts DC
    • Required by many sanctioning bodies
Retail
$39.99
$41.99
$31.49
With Promotion
  • Part #: 74140|
  • SKU: 9968785

Available today

Pay in Store Available

    • Allows battery to be placed anywhere in the car allowed by rules and still be completely accessible for between-rounds charging
    • Connect to battery with a high amperage battery cable
Retail
$41.99
$49.99
$37.49
With Promotion
  • Part #: 74101|
  • SKU: 9968804

Available today

Pay in Store Available

    • Rating: 175 amps @ 6-36 volts DC
    • Required by many sanctioning bodies
Retail
$49.99
$75.99
$56.99
With Promotion
  • Part #: 74102|
  • SKU: 9968792

Available today

Pay in Store Available

    • Moroso's Super Duty switch with rating of 2,000 amps intermittent and 300 amps continuous is perfect for engines with large starter draw, RVs, Drag Cars with alternators, and other applications
    • Two pairs of copper studs (1/2"-20 & 10-32) make it ideal for disconnecting alternator (or other electrical device) in addition to the battery
Retail
$75.99
$99.99
$74.99
With Promotion
  • Part #: 48100|
  • SKU: 9971840

Available today after 8 p.m.


    • Complies With NHRA Rule 8:1
    • Fits Most Battery Sizes
Retail
$99.99
$99.99
$74.99
With Promotion
  • Part #: 48000|
  • SKU: 9971857

Available today

Pay in Store Available

    • Allows Batteries To Be Side By Side Or Apart
    • Quick Disconnect Battery Terminals
Retail
$99.99
$89.99
  • Part #: 66481|
  • SKU: 20058908

Available


    • Modify and maintain your cylinder heads with ease with the heavy-duty aluminum head holders.
    • Sold in pairs.
Retail
$89.99
$99.99
  • Part #: 66950|
  • SKU: 20059149

Available


    • Stud Girdles reduce flex and part breakage.
    • Increased valvetrain rigidity helps minimize energy loss.
Retail
$99.99
$99.99
  • Part #: 66951|
  • SKU: 20059150

Available


    • Stud Girdles reduce flex and part breakage.
    • Increased valvetrain rigidity helps minimize energy loss.
Retail
$99.99
$119.99
  • Part #: 66981|
  • SKU: 20059180

Available


    • Stud Girdles reduce flex and part breakage.
    • Increased valvetrain rigidity helps minimize energy loss.
Retail
$119.99
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