Ferreas latest contribution in this area is their Lightweight Hollow Stem Valves. Ferrea developed a proprietary manufacturing process that gun drills and micro polishes the bore of a valve stem. This proprietary process insures greater structural integrity than any hollow valve on the market today.
- Usage:
- Intake
- Head Diameter (in.):
- 2.200 in.
- Head Diameter (mm):
- 55.880mm
- Stem Diameter (in.):
- 0.3135 in.
- Stem Diameter (mm):
- 7.9629mm
- Length (in.):
- 5.180 in.
- Length (mm):
- 131.572mm
- Undercut Stem:
- N/A
- Swirl-Polished:
- N/A
- Tip Length (in.):
- 0.290 in.
- Tip Length (mm):
- 7.366mm
- Material:
- Stainless Steel
- Lock Groove Quantity:
- N/A
- Lock Groove Style:
- Radius
- Approximate Weight (g):
- N/A
- Head Style:
- N/A
- Seat Width (in.):
- N/A
- Quantity:
- Sold as a set of 8.
- Notes:
- 10 Degree S Flo. Backcut 30 Degree Radius Groove. Special Alloy. Stk size
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
