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Robust Sealing for GM LS1/LS6 Cathedral Port Engines

Maintaining a perfect seal on your GM LS1 or LS6 intake manifold is paramount for consistent engine performance and longevity. The FEL-PRO 1312-2 Performance Intake Manifold Gasket Set offers an ideal solution, specifically engineered for these popular LS-series engines with cathedral port cylinder heads. With a slightly thicker 0.045-inch profile and durable composite construction, these gaskets provide reliable sealing, preventing vacuum leaks and ensuring optimal air/fuel mixture for peak power and efficiency.

Key Advantages for LS Engines:

• Tailored LS Fitment: Precisely designed for GM LS1 and LS6 engines featuring cathedral port cylinder heads, guaranteeing accurate alignment.
• Exact Port Dimensions: Incorporates 1.19 x 3.34 inch cathedral ports for seamless integration with your LS manifold and cylinder head surfaces.
• Enhanced Sealing Thickness (0.045-inch): Provides a robust crush for superior sealing, ideal for engines that may have minor surface imperfections or require a slightly thicker gasket.
• Premium Composite Material: Built to withstand the harsh environment of an engine bay, resisting high temperatures, coolants, and fuels.
• Prevents Performance Degradation: Effectively seals against air leaks, which can lead to lean conditions, reduced power, and potential engine damage.

Optimized LS Fitment:

The FEL-PRO 1312-2 intake gasket set is perfectly suited for GM LS-Series engines, specifically LS1 and LS6 models, when equipped with cathedral port cylinder heads. The precise 1.19" x 3.34" port dimensions ensure an excellent match, promoting smooth, uninterrupted airflow into the combustion chambers. This gasket is an indispensable component for any LS engine build, rebuild, or performance upgrade where a durable and reliable intake seal is a top priority.

Technical Specifications:

• Part Number: FEL-PRO 1312-2
• Gasket Type: Performance Intake Manifold Gasket
• Material: Composite
• Thickness: 0.045 inches
• Port Dimensions: 1.19 x 3.34 inches
• Port Style: Cathedral Port
• Engine Series: GM LS1, LS6 (Cathedral Port)
• Quantity: Pair (for one engine)

Why Choose FEL-PRO 1312-2 for Your LS1/LS6?

When reliability and performance are critical for your LS1 or LS6, the FEL-PRO 1312-2 intake gasket set stands out. Its specific design for cathedral port LS engines, coupled with a slightly thicker profile for enhanced sealing and a robust composite construction, ensures your engine maintains optimal performance without leaks. Trust FEL-PRO for the ultimate in engine sealing technology. Shop for all your high-performance parts at GGCRACING.