HYDRAULIC ROLLER - Xtreme Energy Computer Controlled: Mild modifications, 3.27-3.73 gear, mass air, larger throttle body.
Product Features:- HYDRAULIC ROLLER - Xtreme Energy Computer Controlled: Mild modifications, 3.27-3.73 gear, mass air, larger throttle body.
- 266/274 Advertised Duration, 216/224 Duration @ .050", .544"/.555" Lift, 112 Lobe Separation
- Valve spring upgrade required