CNC porting for 2.20" or oversize valved for Edelbrock Victor head, entrance Max Wedge style.
Includes work only, using customers head, valves and parts.
Oversize valves, guides, titanium retainers etc. can be supplied separately.
Price includes CNC porting, valve refacing, seat work, re-surfacing and cylinder head measurements.
Flow increase over stock head is ~13% in smallest runner version and with 2.20" valves.
Cross section area and flow can support +700hp naturally aspirated.
In our baseline port we are using Max wedge port entrance and cross section area minimum of 2.8sq.in. With 520cid this is enough for ~6500rpm maximum hp RPM, approximately 700rpm longer power band than with stock runners.
For stroker builds, or depending of RPM we will adjust cross section area to meet requirements, or machine seats for bigger valves without additional cost.
Every cylinder head is hand finished.
Delivery time ~2-months.