Description

Main Bolt Kit – Patriot Series – Hex Head – 4-Bolt Mains – Chromoly – Black Oxide – Big Block Chevy – Kit

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.

Global Shipping Estimates (Ships from USA)

Destination Region Est. Delivery Time Estimated Cost
🇨🇦 Canada 5 - 7 Days
DHL UPS USPS FedEx
From $50.00 USD
🇪🇺 European Countries 5 - 7 Days
DHL UPS USPS FedEx
From $70.00 USD
🇦🇺 Australia 5 - 7 Days
DHL UPS USPS FedEx
From $110.00 USD
🇦🇪 United Arab Emirates 5 - 7 Days
DHL UPS USPS FedEx
From $100.00 USD
🇸🇦 Saudi Arabia 5 - 7 Days
DHL UPS USPS FedEx
From $100.00 USD
🇯🇵 Asia Countries 5 - 7 Days
DHL UPS USPS FedEx
From $130.00 USD
*Note: These are estimated costs for a standard package. Exact shipping fees will be calculated at checkout using live rates based on your specific location and cart weight.

About OPTITORQUE TECHNOLOGIES LLC

OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard-core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.

Reviews

There are no reviews yet.

Be the first to review “OPTITORQUE TECHNOLOGIES LLC BBC Main Bolt Kit 4 Bolt Mains 10530”

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

    RANCHO Shock Absorber RS55379

    SKU: RANRS55379
    Product information
    • Weight7.0 lbs
    • Dimensions24.2 × 4.0 × 3.0 in
    • Brand

    • Type

    • Condition

    • Manufacturer Part Number

      RS55379

    Details...
    Original price was: $63.90.Current price is: $58.09.Add to cart
    Original price was: $63.90.Current price is: $58.09.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS OXIDE SYSTEMS Nut & 4an Nipple 16100NOS

    SKU: NOS16100
    Product information
    • Weight0.28 lbs
    • Dimensions4.15 × 3.2 × 1.25 in
    • Quantity

      Each

    • Material

      Brass

    • Color

      Natural

    • Finish

      Natural

    • Style

      Straight

    Details...
    Original price was: $61.00.Current price is: $54.59.Add to cart
    Original price was: $61.00.Current price is: $54.59.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Chevy V8 Pro Billet Distributor 8361

    SKU: MSD8361
    Product information
    • Weight5.42 lbs
    • Dimensions19.65 × 7.1 × 7 in
    • Product Line

      Pro-Billet Street

    • Trigger Style

      Magnetic

    • Advance Type

      Vacuum

    • Cap Style

      Male

    • Cap Color

      Red

    Details...
    Original price was: $445.00.Current price is: $403.95.Add to cart
    Original price was: $445.00.Current price is: $403.95.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MR. GASKET Wire Separator Blue Plastic 9877

    SKU: MRG9877
    Product information
    • Weight0.1 lbs
    • Dimensions6.25 × 4.2 × 0.95 in
    • Quantity

      Kit

    • Mounting Location

      Floating

    • Spark Plug Wire Size Minimum

      7 mm

    • Spark Plug Wire Size Maximum

      8 mm

    • Wire Retention Method

      Snap in

    Details...
    Original price was: $12.00.Current price is: $10.28.Add to cart
    Original price was: $12.00.Current price is: $10.28.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MOPAR PERFORMANCE Dist. Shaft Bushing P1737725

    SKU: MOPP1737725
    Product information
    • Weight0.05 lbs
    • Dimensions3.1 × 1.55 × 0.9 in
    • Style

      Bushing

    • Material

      Bronze

    • Color

      Natural

    • Quantity

      Each

    • Finish

      Natural

    Details...
    Original price was: $11.30.Current price is: $10.27.Add to cart
    Original price was: $11.30.Current price is: $10.27.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCRIBNER Transmission Case – Manual 45in 5198

    SKU: SCR5198
    Product information
    • Weight25.23 lbs
    • Dimensions45 × 17.5 × 14 in
    • Intended Purpose

      Transmission

    • Inside Length

      40 in

    • Inside Width

      12 in

    • Inside Height

      18.5 in

    • Length

      45 in

    Details...
    Original price was: $207.08.Current price is: $172.57.Add to cart
    Original price was: $207.08.Current price is: $172.57.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Mini Sprint Set Up Blocks Front Black TIP3682

    SKU: TIP3682
    Product information
    • Weight0.82 lbs
    • Dimensions6.35 × 6.05 × 1.45 in
    • Front / Rear

      Front

    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Pair

    Details...
    Original price was: $167.99.Current price is: $139.99.Add to cart
    Original price was: $167.99.Current price is: $139.99.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    ALLSTAR PERFORMANCE Timing Pointer SBC 6-3/8in ALL90020
    Add to wishlist

    ALLSTAR PERFORMANCE Timing Pointer SBC 6-3/8in ALL90020

    SKU: ALL90020
    Product information
    • Weight0.225 lbs
    • Dimensions7 × 4 × 1.65 in
    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Each

    • Style

      Pointer

    Details...
    Original price was: $41.00.Current price is: $36.99.Add to cart
    Original price was: $41.00.Current price is: $36.99.Add to wishlist
  • Add to wishlist
    Sale
    ALLSTAR PERFORMANCE Pulley Guide (Each) ALL31035
    Add to wishlist

    ALLSTAR PERFORMANCE Pulley Guide (Each) ALL31035

    SKU: ALL31035
    Product information
    • Weight0.07 lbs
    • Dimensions7.1 × 4 × 0.3 in
    • Material

      Aluminum

    • Color

      Gray

    • Finish

      Anodized

    • Quantity

      Each

    • Thickness

      0.085 in

    Details...
    Original price was: $13.00.Current price is: $10.99.Add to cart
    Original price was: $13.00.Current price is: $10.99.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist

    16