COMP Cams GM Gen IV LS VVT/AFM Camshaft Part 189-424-13 for Silverado, Sierra, Tahoe, and More

Excellent power improvements over stock in modified engines using new more assymetrical VVI intake profiles. Works with GM 12606358 VVT-Solenoid only. This camshaft works with VVT-Only cars, and it also deletes AFM in cars originally equipped with VVT and AFM (must have 12606358 solenoid). Chevrolet: Silverado 1500 10 - 13 6 L Engine, Chevrolet: Express Cargo 17 - 17 6 L Engine, GMC: Sierra 08 - 16 6.2 L Engine, GMC: Savana 2500 10 - 17 4.8 L Engine, Hummer: H2 08 - 09 6.2 L Engine, GMC: Sierra 1500 10 - 13 4.8 L Engine, Chevrolet: Suburban 1500 08 - 14 5.3 L Engine, Hummer: H3 10 - 10 5.3 L Engine, Chevrolet: Express 3500 10 - 19 6 L Engine, GMC: Yukon 09 - 10 5.3 L Engine, Chevrolet: Express Pasajeros 10 - 15 5.3 L Engine, Chevrolet: Suburban 2500 10 - 13 6 L Engine, GMC: Sierra 1500 08 - 13 5.3 L Engine, GMC: Savana 3500 10 - 19 6 L Engine, GMC: Sierra 3500 HD 10 - 19 6 L Engine, GMC: Yukon 10 - 13 6 L Engine, Chevrolet: Suburban 3500 HD 16 - 19 6 L Engine, GMC: Savana 3500 10 - 17 4.8 L Engine, Chevrolet: Tahoe 10 - 13 6 L Engine, GMC: Yukon 08 - 14 6.2 L Engine, Cadillac: Escalade ESV 08 - 16 6.2 L Engine, GMC: Savana 2500 10 - 19 6 L Engine, GMC: Sierra 2500 HD 10 - 19 6 L Engine, Cadillac: Escalade EXT 08 - 13 6.2 L Engine, Chevrolet: Silverado 3500 HD 10 - 19 6 L Engine, GMC: Yukon XL 1500 08 - 14 6.2 L Engine, GMC: Sierra 1500 08 - 13 6.2 L Engine, Chevrolet: Silverado 2500 HD 10 - 19 6 L Engine, Chevrolet: Tahoe 09 - 11 5.3 L Engine, Cadillac: Escalade 10 - 13 6 L Engine, Chevrolet: Silverado 1500 10 - 13 4.8 L Engine, Chevrolet: Camaro 10 - 15 6.2 L Engine, Chevrolet: Suburban 16 - 19 6 L Engine, GMC: Savana 1500 08 - 14 5.3 L Engine, GMC: Sierra 1500 10 - 13 6 L Engine, Chevrolet: Silverado 1500 08 - 13 5.3 L Engine, Chevrolet: Express 2500 10 - 19 6 L Engine, Hummer: H3T 10 - 10 5.3 L Engine, Chevrolet: Express 1500 08 - 14 5.3 L Engine, GMC: Sierra 11 - 16 5.3 L Engine, Chevrolet: Express 2500 10 - 17 4.8 L Engine, Chevrolet: Tahoe 08 - 09 6.2 L Engine, GMC: Yukon XL 2500 10 - 13 6 L Engine, Chevrolet: Avalanche 08 - 13 5.3 L Engine, Chevrolet: Silverado 1500 09 - 13 6.2 L Engine, Chevrolet: Express 3500 10 - 17 4.8 L Engine, Chevrolet: LCF 3500 16 - 17 6 L Engine, Chevrolet: Express Pasajeros 17 - 18 6 L Engine, GMC: Yukon XL 1500 08 -

Upgrade your GM Gen IV LS engine with the COMP Cams Part 189-424-13 VVT/AFM camshaft, engineered to deliver significant power improvements over stock configurations. Designed specifically for modified engines, this camshaft utilizes new asymmetrical VVI intake profiles to optimize airflow and enhance performance. Its compatibility with GM 12606358 VVT solenoids ensures seamless integration with VVT-only vehicles, and it effectively deletes AFM on vehicles originally equipped with both VVT and AFM systems, providing a cleaner, more efficient engine operation.
Made by COMP Cams, this automotive part is tailored for a wide range of GM trucks, SUVs, and vans, including Chevrolet Silverado, Suburban, Express, Tahoe, and GMC Sierra, Yukon, Savana, and more. Whether you're upgrading a 4.8L, 5.3L, or 6.2L engine, this camshaft is designed to improve throttle response, increase horsepower, and optimize fuel efficiency. Its construction ensures durability and consistent performance, making it an ideal choice for both street and modified applications.
Installation of this camshaft requires acknowledgment of its non-CARB approved status and the need for carb acknowledgment, ensuring compliance with specific regulations. The part is not eligible for air freight and is sold as a single unit. With a compact yet robust design, this camshaft provides a reliable upgrade for enthusiasts seeking to maximize their engine's potential while maintaining compatibility with factory VVT systems. Trust COMP Cams for quality performance parts that meet demanding automotive standards and deliver long-lasting results.

Features:

• Designed for GM Gen IV LS engines with VVT and AFM systems

• Utilizes advanced asymmetrical VVI intake profiles for power gains

• Compatible with GM 12606358 VVT solenoid for seamless integration

• Deletes AFM in vehicles originally equipped with both VVT and AFM systems

• Improves throttle response, horsepower, and fuel efficiency