Product Description
- 280 Advertised Duration
- 238 Duration @.050
- 108 Lobe Center
- Lift Base on Rocker Ratio
- 1.5 .427
- 1.6 .456
- For peak performance use 1.6 rockers on the intake and 1.5 rockers on the exhaust
- Low vacuum, canister or pump recommended
- SBC 330-358 CID with OEM Double (Camel) Hump heads, un-ported
- Max Power for 3.25" Stroke engine at 6500 peak torque 4500
- For 3.48" Stroke engines peak power at 6200 and peak torque at 4000
- Always Check Valve to Piston Clearance
- Always Install New Lifters with Flat Tappet Camshafts
- Some parts are not legal for use in California or other states with similar laws/regulations
