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Engines and Components› Belts and Pulleys

OPTITORQUE TECHNOLOGIES LLC

GM LS Main Stud Kit

$271.33 $232.17 Save $39.16

SKU: O040 10593

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Optitorque Technologies 10593 Patriot Series main stud kit is designed for GM LS-Series engines with 4-bolt mains. These chromoly studs feature 12-point nuts and a black oxide finish for durability and corrosion resistance. The kit includes all necessary components for installation, such as precision ground load-distributing washers and True Torq+ fastener-assembly lubricant.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandOPTITORQUE TECHNOLOGIES LLC
Part NumberO040 10593

Videos

Watch This Before You Install Main Studs

Watch This Before You Install Main Studs
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Cheapest LS Head Studs I could find!!
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Reason you buy LS ARP Main Studs!
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The Best Way To Install ARP Head Studs 😳 #shorts
The Customer BROKE A Main Stud Off In Their BRAND NEW LS Block...

The Customer BROKE A Main Stud Off In Their BRAND NEW LS Block...
SDPC Tech Tips: Head bolts vs. studs

SDPC Tech Tips: Head bolts vs. studs
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How To Remove Broken Manifold Bolts with the EZ Stud Out Kit [REVIEW]
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Exhaust Manifold Stud Removal Tool - OEM Tools 25438
Ever Wonder the Weight Difference Between an Aluminum LS Block, a Cast Iron LS block and a SBC?

Ever Wonder the Weight Difference Between an Aluminum LS Block, a Cast Iron LS block and a SBC?
LS TTA bolts How and why you can torque using only a torque wrench

LS TTA bolts How and why you can torque using only a torque wrench

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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