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Head Stud Replacement Kit for 2001-2016 6.6L Duramax Chevrolet GMC Hummer Diesel Engines LB7 LLY LBZ LMM LML | Xotic Performance™ CP877
✅ In stock
⭐ Lowest price we've tracked
F
Grade
Analysis Confidence
55%
Price verified Sep 22, 2026 12:30 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
AUTO4YOU
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Perfect Fit: Our replacement studs are compatible with cylinder heads of 2001 - 2016 LB7 LLY LBZ LMM LML Chevy Duramax Diesel engines. Engineered to unleash more performance out of your vehicle.
✓Indestructible Tensile Strength: This head stud kit has an Intuitive design combined with specially formulated steel alloy ensuring that these studs have incredibly strong tensile strength compared to standard bolts.
✓Kit Includes: Our head stud bolt kit has 36 head studs, 36 nuts, 36 hardened parallel washers, 8 rocker bolts, and an instructions manual. Hardened parallel washers allow for uniform load distribution and accurate torque readings.
✓Optimum Design: Broached stud ends deliver a straightforward design that is quick and easy to install. Head studs are designed to retain cylinder seals even with today's extremely high-pressure turbo systems. These studs far exceed the clamping forces provided by standard head bolts.
✓Easy Installation: This cylinder head kit needs proper installation. It includes manual as illustrated, step-by-step instructions so you can get your vehicle back on the road quickly.
✓Replacement For: 2001 - 2016 Chevrolet Silverado 2500 HD & 3500 HD 6.6L Duramax Diesel
✓Replacement For: 2001 - 2016 GMC Sierra 2500 HD & 3500 HD 6.6L Duramax Diesel
✓Replacement For: 2006 Hummer H1 Alpha 6.6L Duramax LLY Diesel
⚙️ Specifications
Xotic Performance
Xotic Performance
12.71 pounds
CP877
Manufacturer
Xotic Performance
Brand
Xotic Performance
Item Weight
12.71 pounds
Item model number
CP877
Manufacturer Part Number
769-0827
ASIN
B0813KC62R
Customer Reviews
4.7
Best Sellers Rank
See Top 100 in Automotive
Date First Available
November 11, 2018