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

    REESE Replacement Part Install ation Hardware for #3003 58504

    SKU: REE58504
    Product information
    Details...
    Original price was: $67.84.Current price is: $58.99.Add to cart
    Original price was: $67.84.Current price is: $58.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER DUAL STAB KT SILVER 9211

    SKU: SKY9211
    Product information
    • Weight12.3 lbs
    • Dimensions23.4 × 6.5 × 3.7 in
    • Product Line

      9000 Series

    • Color

      Silver

    • Quantity

      Kit

    • Finish

      Paint

    • Material

      Steel

    Details...
    Original price was: $200.00.Current price is: $181.59.Add to cart
    Original price was: $200.00.Current price is: $181.59.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SPAL ADVANCED TECHNOLOGIES 11in High Performance Fan Puller 30102564

    SKU: SPA30102564
    Product information
    • Weight6.33 lbs
    • Dimensions18.1 × 17.3 × 5 in
    • Puller/Pusher

      Puller

    • Voltage

      24V

    • Cfm

      1463 cfm

    • Overall Height

      11.771 in

    • Overall Width

      11.771 in

    Details...
    Original price was: $213.57.Current price is: $194.15.Add to cart
    Original price was: $213.57.Current price is: $194.15.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    FEL-PRO BB Mopar Intake Gaskets 1218
    Add to wishlist

    FEL-PRO BB Mopar Intake Gaskets 1218

    SKU: FEL1218
    Product information
    • Weight0.265 lbs
    • Dimensions22.35 × 5.75 × 0.65 in
    • Material

      Composite

    • Quantity

      Kit

    • Port Shape

      Rectangle

    • Port Height

      2.63 in

    • Port Width

      1.34 in

    Details...
    Original price was: $27.04.Current price is: $24.58.Add to cart
    Original price was: $27.04.Current price is: $24.58.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    EDELBROCK Intake Valve Guide BBC 9702
    Add to wishlist

    EDELBROCK Intake Valve Guide BBC 9702

    SKU: EDE9702
    Product information
    • Weight0.12 lbs
    • Dimensions5.6 × 1.65 × 1.25 in
    • Material

      Bronze

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Length

      2.4 in

    Details...
    Original price was: $28.69.Current price is: $24.95.Add to cart
    Original price was: $28.69.Current price is: $24.95.Add to wishlist
  • Add to wishlist
    Sale
    EARLS #10 Cap 992910ERL
    Add to wishlist

    EARLS #10 Cap 992910ERL

    SKU: EAR992910ERL
    Product information
    • Weight0.055 lbs
    • Dimensions2.95 × 1.35 × 1.15 in
    • Material

      Aluminum

    • Color

      Blue

    • Finish

      Anodized

    • Quantity

      Each

    • Head Style

      Hex

    Details...
    Original price was: $15.00.Current price is: $12.88.Add to cart
    Original price was: $15.00.Current price is: $12.88.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DYNATECH Split-Flow 3.5in Race Muffler 776-14352
    Add to wishlist

    DYNATECH Split-Flow 3.5in Race Muffler 776-14352

    SKU: DTH776-14352
    Product information
    • Weight8.6 lbs
    • Dimensions20.2 × 7.5 × 5.4 in
    • Product Line

      Split Flow

    • Alloy

      Aluminized

    • Material

      Steel

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $177.46.Current price is: $161.33.Add to cart
    Original price was: $177.46.Current price is: $161.33.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    CROWER Roller Lifters E/M - BBC 66291X842E-16
    Add to wishlist

    CROWER Roller Lifters E/M – BBC 66291X842E-16

    SKU: CRO66291X842E-16
    Product information
    • Weight4.64 lbs
    • Dimensions9.55 × 3.6 × 3.1 in
    • Product Line

      EnduraMax

    • Lifter Style

      Mechanical Roller

    • Body Diameter

      0.842 in

    • Material

      Steel

    • Color

      Natural

    Details...
    Original price was: $1,364.21.Current price is: $1,240.19.Add to cart
    Original price was: $1,364.21.Current price is: $1,240.19.
    Quantity Only 9 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    CORSA PERFORMANCE Exhaust Cat-Back Cat-Back  Single Side E 14749BLK
    Add to wishlist

    CORSA PERFORMANCE Exhaust Cat-Back Cat-Back Single Side E 14749BLK

    SKU: COR14749BLK
    Product information
    • Weight64.75 lbs
    • Dimensions58 × 21 × 15 in
    • Product Line

      Sport

    • Material

      Stainless

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Kit

    Details...
    Original price was: $1,824.00.Current price is: $1,657.99.Add to cart
    Original price was: $1,824.00.Current price is: $1,657.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    COMP CAMS Titanium Valve Spring Retainers - LS1 754-16
    Add to wishlist

    COMP CAMS Titanium Valve Spring Retainers – LS1 754-16

    SKU: COM754-16
    Product information
    • Weight0.45 lbs
    • Dimensions4.1 × 2.8 × 2 in
    • Material

      Titanium

    • Quantity

      Set of 16

    • Color

      Natural

    • Finish

      Natural

    • Degree

      7.0

    Details...
    Original price was: $394.39.Current price is: $342.95.Add to cart
    Original price was: $394.39.Current price is: $342.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist

    50