Description

Main Bolt Kit – Patriot Series – Hex Head – 2-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.

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.

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 “OPTITORQUE TECHNOLOGIES LLC BBC Main Bolt KIt 2 Bolt Mains 10526”

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

    MSD IGNITION RPM Activated Window Switch 8956

    SKU: MSD8956
    Product information
    • Weight0.46 lbs
    • Dimensions7.85 × 6.1 × 1.55 in
    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Style

      Window Switch

    Details...
    Original price was: $226.00.Current price is: $204.95.Add to cart
    Original price was: $226.00.Current price is: $204.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Cam Sync Plug – SBF 289-302 85221

    SKU: MSD85221
    Product information
    • Weight1.8 lbs
    • Dimensions12.2 × 4.7 × 4.4 in
    • Adjustable

      Yes

    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Anodized

    • Quantity

      Each

    Details...
    Original price was: $418.00.Current price is: $379.95.Add to cart
    Original price was: $418.00.Current price is: $379.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RATECH Pinion Nut 1510

    SKU: RAT1510
    Product information
    • Weight0.07 lbs
    • Dimensions2.1 × 1.45 × 0.85 in
    • Material

      Steel

    • Color

      Zinc

    • Finish

      Oxide

    • Quantity

      Each

    • Nut 1 Thread Size

      11/16-16 in

    Details...
    Original price was: $6.22.Current price is: $5.65.Add to cart
    Original price was: $6.22.Current price is: $5.65.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MILODON SBM S/S Engine Dipstick 22060

    SKU: MIL22060
    Product information
    • Weight0.51 lbs
    • Dimensions23.5 × 3.65 × 0.85 in
    • Quantity

      Each

    • Mount Location

      Block

    • Flexible / Solid

      Flexible

    • Tube Material

      Braided Stainless

    • Tube Color

      Natural

    Details...
    Original price was: $106.89.Current price is: $92.95.Add to cart
    Original price was: $106.89.Current price is: $92.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Cast Piston H423DCP30

    SKU: SEAH423DCP30
    Product information
    • Weight13.3 lbs
    • Dimensions18.5 × 9.4 × 4.5 in
    • Product Line

      Speed-Pro

    • Bore

      4.030 in

    • Style

      Dish

    • Material Style

      Hypereutectic

    • Coated

      Skirt

    Details...
    Original price was: $178.08.Current price is: $161.89.Add to cart
    Original price was: $178.08.Current price is: $161.89.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SHARP ROCKERS Replacement Adjusters (4pk) 71620SK

    SKU: SHP71620SK
    Product information
    • Weight0.19 lbs
    • Dimensions3.05 × 2.6 × 0.75 in
    • Component

      Rocker Arm Adjusting Screw

    • Thread

      7/16-20 in

    • Mounting Style

      Screw-In

    • Length

      1.100 in

    • Cup Diameter

      5/16 in

    Details...
    Original price was: $67.57.Current price is: $61.43.Add to cart
    Original price was: $67.57.Current price is: $61.43.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SWEET Pitman Arm Offset Zero Degree 201-28100

    SKU: SWE201-28100
    Product information
    • Weight2.125 lbs
    • Dimensions8 × 2.75 × 1.3 in
    • Overall Length

      6-13/16 in

    • Material

      Steel

    • Color

      Cadmium

    • Finish

      Plated

    • Quantity

      Each

    Details...
    Original price was: $237.79.Current price is: $216.17.Add to cart
    Original price was: $237.79.Current price is: $216.17.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    STAINLESS WORKS Headers 2in Primary CA16HCAT

    SKU: SWOCA16HCAT
    Product information
    • Weight87 lbs
    • Dimensions42 × 18 × 15 in
    • Product Line

      Long Tube

    • Length

      Full

    • Material

      Stainless Steel

    • Color

      Natural

    • Finish

      Natural

    Details...
    Original price was: $3,130.00.Current price is: $2,845.25.Add to cart
    Original price was: $3,130.00.Current price is: $2,845.25.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ISKY CAMS SBC Solid Camshaft 201534

    SKU: ISK201534
    Product information
    • Weight8.45 lbs
    • Dimensions24.5 × 2.5 × 2.5 in
    • Material

      Cast Iron

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Product Line

      Hi-Rev Oval Track

    Details...
    Original price was: $357.19.Current price is: $324.72.Add to cart
    Original price was: $357.19.Current price is: $324.72.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANS-DAPT Chrome T-Bar Wing Nuts 4936

    SKU: TRA4936
    Product information
    • Weight0.83 lbs
    • Dimensions7.85 × 2.85 × 1.05 in
    • Quantity

      Set of 4

    • Thread Size

      1/4-20 in

    • Bolt/Stud

      Stud

    • Head/Nut Style

      Wing Nut

    • Stud Length

      1 in

    Details...
    Original price was: $22.88.Current price is: $20.80.Add to cart
    Original price was: $22.88.Current price is: $20.80.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist

    106