Description

Main Stud Kit – Patriot Series – Hex Nuts – 4-Bolt Mains – Chromoly – Black Oxide – Dart Big M – Splayed Cap Bolts – Big Block Chevy – Kit
Splayed Outer Caps

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.

Reviews

There are no reviews yet.

Be the first to review “OPTITORQUE TECHNOLOGIES LLC BBC Main Stud Kit Dart Big M Block 10531”

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

    PERMA-COOL Sandwich Adapter 181

    SKU: PRM181
    Product information
    • Weight0.695 lbs
    • Dimensions6.05 × 4.65 × 1.8 in
    • Inlet Quantity

      1.0

    • Inlet Style

      Female

    • Outlet Quantity

      1.0

    • Outlet Style

      Female

    • Material

      Aluminum

    Details...
    Original price was: $52.00.Current price is: $46.63.Add to cart
    Original price was: $52.00.Current price is: $46.63.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Billet Timing Pointer SBF w/10 O-Clock TDC 89888

    SKU: MSD89888
    Product information
    • Weight0.44 lbs
    • Dimensions5.8 × 4.4 × 3.4 in
    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $124.00.Current price is: $111.95.Add to cart
    Original price was: $124.00.Current price is: $111.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Blaster Coil Pack GM 2-Tower 8224

    SKU: MSD8224
    Product information
    • Weight1.11 lbs
    • Dimensions7.85 × 6.15 × 2.55 in
    • Coil Location

      Remote

    • Coil Style

      Coil Pack

    • Coil Wire Attachment

      Male

    • Max Voltage

      40000V

    • Primary Resistance

      0.35 ohm

    Details...
    Original price was: $95.00.Current price is: $85.75.Add to cart
    Original price was: $95.00.Current price is: $85.75.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RANCHO Steering Stabilizer Shock RS5413

    SKU: RAN5413
    Product information
    • Weight5.1 lbs
    • Dimensions24 × 3 × 3 in
    • Material

      Steel

    • Color

      White

    • Finish

      Paint

    • Quantity

      Each

    • Product Line

      RS5000 Series

    Details...
    Original price was: $83.08.Current price is: $72.24.Add to cart
    Original price was: $83.08.Current price is: $72.24.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MOROSO Timing Pointer – SBC 6.250 60100

    SKU: MOR60100
    Product information
    • Weight0.275 lbs
    • Dimensions7.15 × 5.4 × 1.95 in
    • Quantity

      Each

    • Style

      Pointer

    • Hardware Included

      Yes

    • Material

      Aluminum

    • Color

      Black

    Details...
    Original price was: $57.49.Current price is: $49.99.Add to cart
    Original price was: $57.49.Current price is: $49.99.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCRIBNER Utility Jug Cap Gasket 5222

    SKU: SCR5222
    Product information
    • Weight0.018 lbs
    • Dimensions3.5 × 3.5 × 0.15 in
    • Material

      Plastic

    • Color

      White

    • Finish

      Natural

    • Quantity

      Each

    • Cap Gasket Included

      Yes

    Details...
    Original price was: $5.02.Current price is: $4.18.Add to cart
    Original price was: $5.02.Current price is: $4.18.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 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSHMAT MEGA Sheet Bulk Kit 10900

    SKU: HMT10900
    Product information
    • Weight42.13 lbs
    • Dimensions26 × 14 × 5 in
    • Material

      Foam / Aluminum

    • Color

      Silver

    • Quantity

      Set of 9

    • Product Line

      Mega Bulk Kit

    • Length

      24 in

    Details...
    Original price was: $550.00.Current price is: $499.99.Add to cart
    Original price was: $550.00.Current price is: $499.99.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Roll Center – Bump Steer Correction Kit KCA435

    SKU: WHIKCA435
    Product information
    • Weight4.31 lbs
    • Dimensions15.5 × 8 × 2.5 in
    • Stud Included

      Yes

    • Stud Quantity

      2.0

    • Stud Upper Thread

      1/2-20 in

    • Tie Rod Ends Included

      Yes

    • Tie Rod End Thread

      14 mm x 1.5

    Details...
    Original price was: $328.66.Current price is: $273.88.Add to cart
    Original price was: $328.66.Current price is: $273.88.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Shifter C6 Lockout Rev Pattern 307-2B

    SKU: WIN307-2B
    Product information
    • Weight11.05 lbs
    • Dimensions19.1 × 18.5 × 7.9 in
    • Forward / Reverse Pattern

      Reverse

    • Quantity

      Kit

    • Mounting Location

      Floor

    • Mechanism Actuation

      Trigger

    • Knob Included

      Yes

    Details...
    Original price was: $333.98.Current price is: $303.62.Add to cart
    Original price was: $333.98.Current price is: $303.62.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist

    98