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

    MPD RACING Midget Left Nerf 4 Point Black MPD25105

    SKU: MPD25105
    Product information
    • Weight10 lbs
    • Dimensions45 × 23 × 14 in
    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      MPD25105

    Details...
    Original price was: $247.24.Current price is: $214.99.Add to cart
    Original price was: $247.24.Current price is: $214.99.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LONGACRE Replacement Light Green 52-41804

    SKU: LON52-41804
    Product information
    • Weight0.065 lbs
    • Dimensions5.55 × 4.2 × 1 in
    • Style

      Warning Light

    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $14.37.Current price is: $13.06.Add to cart
    Original price was: $14.37.Current price is: $13.06.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Stud For 22410 +.300 22433

    SKU: HOW22433
    Product information
    • Weight0.94 lbs
    • Dimensions6.85 × 6.25 × 2.15 in
    • Ball Diameter

      1.625 in

    • Taper

      2 in/ft

    • Stud Length

      3.87 in

    • Stud Extended Length

      Plus 0.3 in

    • Stud Thread

      5/8-18 in

    Details...
    Original price was: $53.83.Current price is: $48.94.Add to cart
    Original price was: $53.83.Current price is: $48.94.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY 50cc Accel Pump Kit 20-11

    SKU: HLY20-11
    Product information
    • Weight0.4 lbs
    • Dimensions6.95 × 4.95 × 1.75 in
    • Hardware Included

      Yes

    • Quantity

      Kit

    • Type

      Conversion Kit

    • Gasoline Compatible

      Yes

    • Volume (Cc)

      50 cc

    Details...
    Original price was: $92.00.Current price is: $83.39.Add to cart
    Original price was: $92.00.Current price is: $83.39.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    G-FORCE GF505 Jacket Only Large Red 4385LRGRD

    SKU: GFR4385LRGRD
    Product information
    • Weight4.43 lbs
    • Dimensions17 × 12.5 × 5 in
    • Product Line

      GF505

    • Size

      Large

    • Sfi Rating

      3.2A/5

    • Layers

      3 Layer

    • Material

      Fire Retardant Fabric / Nomex

    Details...
    Original price was: $228.85.Current price is: $199.00.Add to cart
    Original price was: $228.85.Current price is: $199.00.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    FLEX-A-LITE Electric Fan Controllerw /Relay Push-In Probe 121280
    Add to wishlist

    FLEX-A-LITE Electric Fan Controllerw /Relay Push-In Probe 121280

    SKU: FLE121280
    Product information
    • Weight0.87 lbs
    • Dimensions9.5 × 4.9 × 2.2 in
    • Quantity

      Kit

    • Adjustable

      Yes

    • Low Adjustment

      160 degree Fahrenheit

    • High Adjustment

      220 degree Fahrenheit

    • Adjustment Method

      Screw

    Details...
    Original price was: $51.32.Current price is: $46.65.Add to cart
    Original price was: $51.32.Current price is: $46.65.Add to wishlist
  • Add to wishlist
    Sale
    ENERGY SUSPENSION Hyper Flex System 3.18130G
    Add to wishlist

    ENERGY SUSPENSION Hyper Flex System 3.18130G

    SKU: ENE3-18130G
    Product information
    • Weight10.65 lbs
    • Dimensions15.7 × 9 × 5.8 in
    • Product Line

      Hyper-Flex

    • Hardware Included

      Yes

    • Bushing Material

      Polyurethane

    • Bushing Color

      Black

    • Bushing Finish

      Natural

    Details...
    Original price was: $369.06.Current price is: $335.51.Add to cart
    Original price was: $369.06.Current price is: $335.51.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    CORSA PERFORMANCE Air Intake System 491506
    Add to wishlist

    CORSA PERFORMANCE Air Intake System 491506

    SKU: COR491506
    Product information
    • Weight11.2 lbs
    • Dimensions21.5 × 18.25 × 16 in
    • Product Line

      PowerCore Closed Box

    • Tube Material

      Plastic

    • Tube Color

      Black

    • Tube Finish

      Natural

    • Filter Color

      Blue

    Details...
    Original price was: $524.00.Current price is: $475.99.Add to cart
    Original price was: $524.00.Current price is: $475.99.Add to wishlist
  • Add to wishlist
    Sale
    COMP CAMS AMC Hi-Tech Roller Timing Set 3118CPG
    Add to wishlist

    COMP CAMS AMC Hi-Tech Roller Timing Set 3118CPG

    SKU: COM3118
    Product information
    • Weight4.15 lbs
    • Dimensions10 × 6.9 × 1.5 in
    • Quantity

      Kit

    • Product Line

      Hi-Tech

    • Chain Included

      Yes

    • Chain A Style

      Roller

    • Chain A Rows

      Double

    Details...
    Original price was: $137.94.Current price is: $119.95.Add to cart
    Original price was: $137.94.Current price is: $119.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    CHASSIS ENGINEERING BBM Aluminum Motor Plate C/E3702
    Add to wishlist

    CHASSIS ENGINEERING BBM Aluminum Motor Plate C/E3702

    SKU: CCE3702
    Product information
    • Weight9.35 lbs
    • Dimensions35.6 × 15.3 × 1 in
    • Width

      36 in

    • Height

      12 in

    • Thickness

      1/4 in

    • Material

      Aluminum

    • Color

      Natural

    Details...
    Original price was: $241.44.Current price is: $209.95.Read more
    Original price was: $241.44.Current price is: $209.95.Add to wishlist

    17