Chevrolet Performance 19303897 Features:

• Duration @ .050" Lift (deg): I: 577 / E: 577
• Maximum Lift (in) w/1.7 rocker**: I: .228 / E: .248
• Lobe Separation (deg): 116.5
• Design for 1.81:1 rocker arms
• Requires non-afm lifters

**Except where otherwise noted in Technical Notes.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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