What kind of modifications are recommended when installing this camshaft?

This camshaft is designed for significantly modified VVT+AFM GM LS engines. It performs best when paired with upgrades such as a higher stall torque converter, aftermarket gears, headers, and an improved intake system.

What are the specific lift and duration numbers for this camshaft?

This camshaft features a 224-degree intake duration and a 236-degree exhaust duration (advertised). The lift is 0.581 inches on the intake side and 0.600 inches on the exhaust side, with a 114-degree lobe separation angle.

Is this camshaft legal for use in California?

No, this camshaft is not CARB approved and cannot be shipped to California due to emissions regulations.

COMP Cams GM LS 994 VVT/AFM Camshaft 656-423-13

Name: COMP Cams Camshaft GM LS 994 VVT/AFM 27
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-gm-ls-994-vvt-afm-27-t14-4393269
Price: 553.72 USD
Availability: BackOrder

COMP Cams Camshaft GM LS 994 VVT/AFM 27

$553.72

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams Camshaft GM LS 994 VVT/AFM 27XFIA 224/236 D HRlr

Key Features

This is the COMP Cams 656-423-13 camshaft.
Designed for GM GEN IV LS engines with VVT and AFM.
Features a 224/236 advertised intake/exhaust duration.
Offers 0.581" intake and 0.600" exhaust lift.
Has a 114-degree lobe separation angle.
Intended for significantly modified engines with supporting modifications.

This camshaft is designed for GM GEN IV LS engines. It is not CARB approved and cannot be shipped to California.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

When you're looking to get the most out of a significantly modified GM LS engine that features Variable Valve Timing (VVT) and Active Fuel Management (AFM), this COMP Cams XFI AFM camshaft is a solid choice. This hydraulic roller camshaft is specifically designed for GM GEN IV LS engines and aims to deliver outstanding top-end power. It's built to work best when paired with other performance upgrades like a higher stall torque converter, aftermarket gears, headers, and an improved intake system.

The camshaft features a 224-degree intake duration and a 236-degree exhaust duration (advertised) with 0.581 inches of intake lift and 0.600 inches of exhaust lift, and a 114-degree lobe separation angle. This particular grind, the 994 VVT/AFM 27XFIA, is engineered to maximize power output in these complex VVT and AFM applications. It's a well-built component from COMP Cams, a well-known name in performance camshafts, designed to help you extract more performance from your LS engine.

Keep in mind that this camshaft is not CARB approved and cannot be shipped to California. For optimal performance and to ensure proper operation with this camshaft, it's recommended to consult with your engine builder or refer to COMP Cams' detailed installation guidelines, especially regarding the VVT and AFM systems. This camshaft is intended for use in highly modified engines where these systems are still present and being utilized for performance gains.