Placeholder
Skip to content
🚚 FREE SHIPPING on orders over $100 (USA & Canada only)
🚚 FREE SHIPPING on orders over $100 (USA & Canada only)

Country

Head Stud Kit For 2001-2016 6.6L Duramax Chevrolet / GMC / Hummer

SKU CP877
Original price $368.88 - Original price $368.88
Original price
$368.88
$368.88 - $368.88
Current price $368.88
Availability:
In stock
Seal the Power. Drive with Confidence.

Your truck deserves strength you can count on. This head stud kit is built for street-driven and moderately modified builds, giving you dependable sealing and confidence whether you’re daily driving, towing, or adding small performance upgrades.

Why Drivers Choose XOTIC PERFORMANCE™
  • Everyday Confidence – Keeps your head gasket sealed during normal use and light performance mods.

  • Trusted Reliability – Prevents common sealing issues so you can focus on the road, not repairs.

  • All-In-One Kit – Includes studs, washers, and nuts, for a secure, hassle-free install.

  • Durability That Lasts – Precision-machined and finished to resist wear and corrosion.

  • Lifetime Warranty – Backed by XOTIC PERFORMANCE™ for total peace of mind.

Perfect for drivers who want proven reliability without going overboard — this kit is your upgrade for everyday dependability.

Install Guide
Package Contents

36x Head Studs (M12 x 142 mm)

36x M12 Nuts (Part # N0301 & N0302)

36x Hardened Parallel Washers (Part # W0301)

8x Upper Row Bolts (M8 x 97 mm)

2x Sockets (10 mm and 16 mm)

1x Allen Wrench (5 mm)

1x Fastener Assembly Lubricant

Vehicle Fitments
⚠️ Prop 65 WARNING

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

  • 30-day-hassle-free returns-truck

    Free domestic Shipping

    On all orders. Overnight shipping option available at checkout.

  • Lifetime-Warranty-shield

    lifetime warranty

    If any of our products fail due to a manufacturing defect, we will replace them free of charge.

  • Perfect-fit-guaranteed

    perfect fit, guaranteed

    If the product doesn’t match your engine, we will replace it with no extra charge.

INDESTRUCTIBLE TENSILE STRENGH

XOTIC 7200 material properties allow for far greater tensile strength compared to 8740 Chromoly steel head studs. Threads are rolled after heat treatment for optimum fatigue strength.

1 Test Method: ISO 6892-1:2016 or ASTM A370 ASTM E8/ E8M in the US. M14*237

1 Test Method: ISO 6892-1:2016 or ASTM A370 ASTM E8/ E8M in the US. M14*237

OPTIMUM DESIGN

Broached stud ends make cylinder head install & removal easier. Engineered to unleash more performance out of your vehicle. Ample clamping strength prevents cylinder heads from lifting.

ULTRA CLAMPING FORCE

Unleash the full potential of your diesel engine with head studs designed to for ultra-high clamping force that greatly exceeds the standard, factory-made bolts. These studs are engineered to retain the cylinder seal even under the extreme pressure of today's high-performance turbo systems.

Store Wide Reviews

What drivers say about XOTIC PERFORMANCE™