Description

Rocker Arm Nut – Race Series Polylock – 7/16-20 in Thread – Steel – Black Oxide – Set of 4

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About SCORPION PERFORMANCE

Using the experience and knowledge gained from years of racing success, Scorpion produces rocker arms, lifters, pushrods, valves, valve springs, valvetrain stabilizers (stud girdles), fuel rail kits, lubricants, and more.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “SCORPION PERFORMANCE Poly Locks – 7/16 (4pk) PL716-4”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    INTERCOMP Caster Camber Gauge Digital w/ Wide 5 Adp 102045

    SKU: INT102045
    Product information
    Details...
    Original price was: $439.00.Current price is: $399.00.Add to cart
    Original price was: $439.00.Current price is: $399.00.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PROFORM Olds HEI Electronic Distributor 66955

    SKU: PFM66955
    Product information
    • Weight7.053 lbs
    • Dimensions17 × 8.5 × 7 in
    • Product Line

      Street/Strip

    • Quantity

      Each

    • Trigger Style

      Magnetic

    • Advance Type

      Vacuum

    • Cap Style

      Male

    Details...
    Original price was: $215.75.Current price is: $196.14.Add to cart
    Original price was: $215.75.Current price is: $196.14.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUARTER MASTER Pinion Reverse Mount 114263

    SKU: QTR114263
    Product information
    • Weight0.235 lbs
    • Dimensions4 × 1.4 × 1.2 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Intended Purpose

      Pinion Gear

    Details...
    Original price was: $77.00.Current price is: $69.47.Add to cart
    Original price was: $77.00.Current price is: $69.47.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MPD RACING Rotor Adapter Kit MPD01790K

    SKU: MPD1790K
    Product information
    • Weight0.302 lbs
    • Dimensions3 × 3 × 1.5 in
    • Thread

      1/2-20 in

    • Quantity

      Set of 3

    • Bolt/Stud Kit

      Bolt

    • Length

      1 in

    • Head/Nut Style

      Allen

    Details...
    Original price was: $49.44.Current price is: $42.99.Add to cart
    Original price was: $49.44.Current price is: $42.99.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VIBRANT PERFORMANCE 6mm Union Tee One-Touch Fitting 2677

    SKU: VIB2677
    Product information
    • Weight0.015 lbs
    • Dimensions5.85 × 3.5 × 0.75 in
    • Style

      Air Line Adapter

    • Disconnect Style

      Pushlock

    • Fitting A End 1 Size

      1/4 in

    • Fitting A End 1 Style

      Pushlock

    • Fitting A End 1 O-Ring

      Yes

    Details...
    Original price was: $8.15.Current price is: $6.79.Add to cart
    Original price was: $8.15.Current price is: $6.79.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Stud For 22301 +.500 22355

    SKU: HOW22355
    Product information
    • Weight0.69 lbs
    • Dimensions6.65 × 2.65 × 1.95 in
    • Ball Diameter

      1.437 in

    • Taper

      2.04 in/ft

    • Stud Length

      4.13 in

    • Stud Extended Length

      Plus 0.5 in

    • Stud Thread

      1/2-20 in

    Details...
    Original price was: $50.39.Current price is: $45.81.Add to cart
    Original price was: $50.39.Current price is: $45.81.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    FIVESTAR Bumper Installation Kit 802
    Add to wishlist

    FIVESTAR Bumper Installation Kit 802

    SKU: FIV802
    Product information
    • Weight17.05 lbs
    • Style

      Bumper Mount Kit

    • Finish

      Natural

    • Quantity

      Kit

    • Material

      Steel

    • Color

      Natural

    • Mounting Style

      Weld On

    Details...
    Original price was: $207.06.Current price is: $172.55.Read more
    Original price was: $207.06.Current price is: $172.55.Add to wishlist
  • Add to wishlist
    Sale
    EQUUS Gauge Mount Panel 2 in Chrome Triple E9823
    Add to wishlist

    EQUUS Gauge Mount Panel 2 in Chrome Triple E9823

    SKU: EQUE9823
    Product information
    • Weight0.14 lbs
    • Dimensions8 × 4.7 × 1.15 in
    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      Gauge Mounting Brackets2

    • Variant Column

      Number Of Gauges

    • Mounting Location

      Dash Mount

    Details...
    Original price was: $7.88.Current price is: $7.16.Add to cart
    Original price was: $7.88.Current price is: $7.16.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DIVERSIFIED MACHINE Torque Ball Housing Stud & High Nut Kit SRC-2307
    Add to wishlist

    DIVERSIFIED MACHINE Torque Ball Housing Stud & High Nut Kit SRC-2307

    SKU: DMISRC-2307
    Product information
    • Weight0.187 lbs
    • Dimensions3.5 × 2.95 × 0.7 in
    • Thread

      5/16-18 in

    • Length

      1.75 in

    • Material

      Steel

    • Color

      Black

    • Finish

      Oxide

    Details...
    Original price was: $53.66.Current price is: $48.78.Add to cart
    Original price was: $53.66.Current price is: $48.78.Add to wishlist
  • Add to wishlist
    Sale
    BERT TRANSMISSIONS Front Counter Gear 21
    Add to wishlist

    BERT TRANSMISSIONS Front Counter Gear 21

    SKU: BER21
    Product information
    • Weight1.86 lbs
    • Dimensions5.15 × 3.65 × 2.15 in
    • Intended Purpose

      Front Counter Gear

    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $153.52.Current price is: $139.56.Add to cart
    Original price was: $153.52.Current price is: $139.56.Add to wishlist

    13