HYDRAULIC - Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
Product Features:- HYDRAULIC: Pro Street/bracket, needs good intake, headers, gear & 3300+ stall.
- 294/306 Advertised Duration, 250/256 Duration @ .050", .519"/.523" Lift, 110 Lobe Separation
- Valve spring upgrade required