COMP Cams VVT Thumpr Camshaft

2009–2025 Chrysler 300 / Dodge Challenger / Charger / Durango / Ram 1500 / Ram 2500 / Ram 3500 / Jeep Commander / Grand Cherokee

201-700-17

Overview:

The COMP Cams VVT Thumpr Camshaft is engineered specifically for modern Dodge and Chrysler V8 HEMI engines from 2009 through 2025. Designed to deliver the iconic Thumpr idle lope combined with substantial mid- to upper-RPM power gains, this camshaft enhances performance without compromising drivability. Ideal for enthusiasts seeking aggressive sound and improved throttle response, the VVT Thumpr camshaft brings race-inspired technology to street-driven vehicles without requiring valve spring upgrades.

This camshaft is compatible with a wide range of vehicles including the Chrysler 300, Dodge Challenger, Charger, Durango, Ram 1500/2500/3500, Jeep Commander, and Grand Cherokee, all equipped with 5.7L, 6.1L, or 6.4L HEMI engines. It is a direct-fit upgrade that maintains low-end torque while delivering the unmistakable Thumpr sound and enhanced performance.

Key Features:

Designed to optimize the performance of GEN III and GEN IV VVT HEMI engines, the COMP Cams VVT Thumpr Camshaft offers a balance of sound, power, and reliability. Key features include:

• Delivers the signature Thumpr idle lope without sacrificing low-RPM torque
• Optimized intake and exhaust lobes for improved mid- to upper-RPM power
• No valve spring upgrade required, simplifying installation
• Compatible with 5.7L, 6.1L, and 6.4L HEMI engines from 2009 to 2025
• Recommended ECU tune and DOD (Displacement on Demand) delete for best performance
• Phaser limiter or lockout kit required for VVT-equipped GEN IV HEMI engines
• Maintains factory reliability and drivability for street use
• Enhances throttle response and engine sound with a race-inspired character

Construction & Design:

The VVT Thumpr Camshaft is precision-engineered using high-quality materials to withstand the demands of modern HEMI engines. COMP Cams utilizes advanced cam lobe profiles optimized for variable valve timing systems, ensuring smooth operation and durability. The design focuses on maximizing valve lift and duration to improve airflow and combustion efficiency while maintaining compatibility with factory valve springs and hardware.

Manufactured with strict quality control standards, this camshaft ensures consistent performance and longevity, making it a reliable upgrade for enthusiasts who want aggressive sound and power without compromising engine integrity.

Performance & Sound

The COMP Cams VVT Thumpr Camshaft delivers a distinctive, aggressive idle lope that is instantly recognizable and highly sought after by muscle car enthusiasts. This camshaft enhances mid- to upper-RPM power, providing noticeable gains in throttle response and overall engine performance. While there is only a minor reduction in torque below 2500 RPM, the camshaft excels in delivering a racecar-like sound and feel during spirited driving.

Paired with an ECU tune and DOD delete, the VVT Thumpr camshaft transforms the driving experience by combining muscular sound with improved power delivery, making it perfect for street performance applications.

Installation & Fitment:

Installation of the COMP Cams VVT Thumpr Camshaft is straightforward for experienced mechanics and professional shops. It is designed as a direct replacement for factory camshafts on 2009–2025 Dodge and Chrysler VVT HEMI engines. No valve spring upgrades are necessary, reducing complexity and cost.

For optimal results, COMP Cams recommends an ECU tune and disabling the Displacement on Demand system. Additionally, a phaser limiter or lockout kit is required for VVT-equipped GEN IV HEMI engines to prevent cam phaser over-advance and ensure proper timing control.

What's Included:

• COMP Cams VVT Thumpr Camshaft (Part #201-700-17)
• Installation instructions
• Warranty information

Ideal For:

This camshaft is ideal for muscle car enthusiasts and street performance drivers who own 2009–2025 Dodge, Chrysler, Ram, or Jeep vehicles equipped with 5.7L, 6.1L, or 6.4L VVT HEMI engines. It suits those seeking a bold, aggressive idle sound combined with improved mid-range power without sacrificing everyday drivability or requiring extensive valvetrain modifications.

Perfect for street-driven vehicles, weekend cruisers, and performance builds that demand authentic muscle car character and enhanced engine response.

COMP Cams is a leading performance valvetrain manufacturer, known for camshafts and supporting components built for everything from mild street upgrades to full race engines. Their product range covers camshafts, lifters, valve springs, rocker arms, and timing/valvetrain parts—key pieces for dialing in powerband, drivability, and RPM capability.