Product Description
BTR Head Gaskets (Pair) for Gen V 6.2L LT Engines
Fits LT1, L86, L87 | 4.100" Bore | .051" Thickness | Replaces GM 12688943
Upgrade the sealing performance of your Gen V 6.2L LT engine with this premium pair of BTR 5-layer MLS head gaskets. Manufactured by Tier-One OEM suppliers, these gaskets deliver exceptional durability, heat resistance, and clamping stability under extreme cylinder pressures. Designed as a direct replacement for factory gaskets, they are ideal for high-performance street builds, boosted engines, or stock replacements requiring OEM-level reliability with improved sealing characteristics.
Key Features
- 5-Layer MLS Construction: Multi-layer steel design provides exceptional sealing strength under high compression, boost, and elevated combustion temperatures.
- OEM-Tier Manufacturing: Produced by Tier-One suppliers for factory-grade quality, precision fitment, and long-term reliability.
- Precision Engineered: Built specifically for Gen V LT1, L86, and L87 engines with a 4.100" bore and .051" compressed thickness for optimal sealing performance.
- High-Heat & High-Pressure Capable: Designed to withstand the extreme cylinder pressures of modern direct-injection V8 platforms, including boosted applications.
- Sold as a Pair: Includes two gaskets—one for each cylinder head—to complete your top-end engine service or rebuild.
Key Fitments
- Engines: 6.2L Gen V LT1, L86, L87 V8 engines — 4.100" bore, .051" thickness applications.
- Platforms:
Cadillac Escalade (2015–2025);
Chevrolet Camaro (2016–2024);
Chevrolet Corvette (2014–2019, non-Z06/ZR1);
Chevrolet Silverado 1500 (2014–2025);
Chevrolet Suburban (2019–2025);
Chevrolet Tahoe (2018–2025);
GMC Sierra 1500 (2014–2025);
GMC Yukon (2015–2025), Yukon XL (2015–2025). - Notes: Direct replacement for OEM part numbers 12622331, 12659260, and 12688943. Sold as a matched pair for complete cylinder head service. For 6.2L LT models only.
