SKU: CB663HNC / UPC: 639789291271
Clevite Tri-Armor Coated Connecting Rod Bearing Set for GMC V8 Engines
Engine rebuilds demand components that handle intense demands without compromise, and the Clevite stands out as the reliable solution for GMC owners seeking consistent performance in their passenger cars and trucks. This H-Series bearing set delivers strong load-bearing capacity up to 12,000 PSI, thanks to its proven three-layer TriMetal design featuring a babbitt overlay for embeddability, a copper-lead alloy interlayer for fatigue resistance, and a precision steel backing for structural integrity. The exclusive Tri-Armor coating, a low-friction PTFE polymer infused with moly and graphite, minimizes drag during startup and operation, ensuring smoother rotation and reduced wear even in high-revving or heavy-duty applications. For GMC enthusiasts rebuilding classic V8 powerplants or modern LS swaps, this set provides the dependable foundation that keeps engines running stronger longer, making it the clear pick for anyone prioritizing longevity and efficiency over generic alternatives.
What's Included in Your Purchase
- Quantity: Complete set of 8 connecting rod bearings (one for each rod in a V8 engine).
- Size: Standard undersize (STD) for direct replacement without machining.
- Coating: Full Tri-Armor dry film treatment on both sides for all-around protection.
- Design Features: Medium eccentricity for oil film maintenance, high crush for secure retention, hardened steel backs to prevent fatigue, thin overlays for conformability, and enlarged chamfers for compatibility with high-volume oil pumps and stroker cranks.
- Part Number: CB663HNC
- UPC: 639789291271
- Manufacturer: Mahle Original / Clevite 77
No additional hardware, gaskets, or tools are included this focused kit zeroes in on the critical rod bearings to streamline your build.
Vehicle Fitment Details
This bearing set is engineered for exact compatibility with GMC passenger cars and trucks equipped with the following Small Block V8 engine displacements (all requiring 2.000" rod journal diameter):
- 262ci (4.3L): 1975-1976 models, including Caballero and Sprint.
- 267ci (4.4L): 1979-1982 models, including Caballero and Malibu (GMC variants).
- 302ci (4.9L): 1967-1969 passenger cars like the Sprint.
- 305ci (5.0L): 1977-1985 C/K Series trucks (1500/2500/3500), Jimmy, Suburban; 1981-1985 Caballero; 1982-1985 S-15.
- 307ci (5.0L): 1968-1973 passenger cars and early trucks.
- 327ci (5.4L): 1965-1969 passenger models like the Sprint.
- 350ci (5.7L): 1967-1980 C/K Series trucks (1500/2500/3500), Jimmy, Suburban; 1975-1978 Caballero; 1979-1984 S-15 (select); also 1987-1995 TBI-equipped C/K trucks.
- 400ci (6.6L): 1970-1980 C/K Series trucks and Suburban.
Additionally, it fits GMC trucks with Gen III/IV LS-series V8 engines (same rod journal specs):
- 4.8L (LR4): 1999-2006 Sierra 1500, 2001-2006 Yukon/Yukon XL.
- 5.3L (LM7/L59/LY5): 1999-2013 Sierra 1500/2500, 2000-2014 Yukon/Yukon XL, 2002-2006 Envoy.
- 5.7L (LQ4/LQ9): 1999-2007 Sierra 2500/3500, 2000-2006 Yukon XL.
- 6.0L (LQ9/LY6): 2002-2006 Sierra 2500/3500, 2005-2006 Yukon XL.
- 6.2L (L92/L9H): 2008-2013 Sierra 1500, 2007-2014 Yukon/Yukon XL.
- 7.0L (L76/LS7): Select 2007-2009 Sierra Denali/Yukon Denali.
Verify your engine code and journal size before installation. This set supports both street-driven restorations and track-focused builds, with narrowed edges for clearance in high-performance setups.
Packaging and Shipping Specifications
- Product Weight: 0.12 lbs (full set).
- Shipping Box Dimensions: 2.75" L x 2" W x 1.25" H compact for easy storage and quick delivery.
Backed by Clevite's legacy in racing and OEM applications, the CB663HNC ensures your GMC V8 idles quietly, accelerates briskly, and endures mile after mile. Order now to experience the difference in every rotation.
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