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.):
- 1.940 in.
- Head Diameter (mm):
- 49.276mm
- Stem Diameter (in.):
- 0.344 in.
- Stem Diameter (mm):
- 8.7376mm
- Length (in.):
- 4.960 in.
- Length (mm):
- 125.984mm
- Undercut Stem:
- N/A
- Swirl-Polished:
- N/A
- Tip Length (in.):
- 0.250 in.
- Tip Length (mm):
- 6.350mm
- Material:
- Stainless Steel
- Lock Groove Quantity:
- N/A
- Lock Groove Style:
- Radial
- Approximate Weight (g):
- N/A
- Head Style:
- N/A
- Seat Width (in.):
- N/A
- Quantity:
- Sold as a set of 8.
- Notes:
- 12 Degree Flo. Radial Groove. Special Alloy. +.050
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
