🚗 102mm Intake Manifold for Cathedral Port LS Engines

✅ APPLICATION

Compatible with Chevrolet Small Block Gen III/IV LS-based engines with cathedral port heads, including:

• LS1 / LS2 / LS6
• 4.8L / 293 CI – LR4
• 5.3L / 325 CI – L33, L59, LM4, LM7
• 5.7L / 346 CI – LS1, LS6
• 6.0L / 364 CI – LQ4, LQ9, LS2

Note: Throttle body must be cable-driven 4-bolt. Not compatible with drive-by-wire systems.

📋 COMPATIBLE VEHICLE MODELS

This intake manifold fits a wide range of GM vehicles equipped with cathedral port LS engines:

• Chevrolet Corvette: 1997–2004 (C5), 2005–2007 (Base C6)
• Corvette Z06: 2001–2004
• Chevrolet Camaro: 1998–2002 Z28 / SS
• Pontiac Firebird: 1998–2002 Formula / Trans Am
• Pontiac GTO: 2005–2006
• Cadillac CTS-V: 2004–2005 (Gen 1), 2006–2007 (Gen 2)
• Chevrolet TrailBlazer SS: 2006–2009
• Chevrolet SSR: 2005–2006
• Saab 9-7X Aero: 2008–2009
• Chevrolet Silverado 1500: 1999–2007 (LM7, L59, L33)
• GMC Sierra 1500: 1999–2007 (LM7, L59, L33)
• Chevy Suburban / Tahoe: 2000–2006 (LM7, L59)
• GMC Yukon / Yukon XL: 2000–2006 (LM7, L59)
• Chevy Express / GMC Savana: 2003–2007 (LM7, LQ4, LQ9)
• Cadillac Escalade / ESV / EXT: 2002–2006 (LQ9)
• Chevrolet Avalanche: 2002–2006 (L59, LQ4)
• GMC Sierra Denali: 2004–2006 (LQ9)
• Isuzu Ascender: 2003–2004 (LM4)
• Buick Rainier: 2003–2004 (LM4)
• Chevy Trailblazer EXT: 2003–2004 (LM4)
• GMC Envoy XL: 2003–2004 (LM4)

This is an extensive but not complete list. Please confirm your engine is cathedral port LS-based before purchasing.

🧰 PRODUCT FEATURES

• 🔧 102mm Opening – High-flow design for performance builds
• 📏 Same Height as Stock – 180mm overall height
• 🔩 Boost/Vacuum Port – Rear-mounted MAP/boost sensor port
• ⚙️ Material – TIG-welded 1/8" thick T6061 aluminum
• 💧 Includes – Fuel rails (3/4), fuel crossover line, gaskets, mounting hardware
• 🚫 Note: Throttle body is NOT included

🔍 ADDITIONAL NOTES

• Throttle Body: Fits LS 4-bolt cable-driven throttle body only
• Injectors: Uses stock LS injectors; may require spacers or bracket trimming depending on injector length
• Ports: For cathedral port heads only – not compatible with LS3/LS7 rectangular ports

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