Pro Copper Head Gaskets are made from C-1100 ASTM B152-92 copper sheet, annealed to Rockwell F-32. Skin packaged. Sold individually. SCE Gaskets recommends using 304 stainless steel wire to properly O-ring cylinder heads and block. O-rings do not need to be changed when installing new head gaskets.
- Bore (in.):
- 4.520 in.
- Bore (mm):
- 114.808mm
- Gasket Material:
- Copper
- Compressed Thickness (in.):
- 0.080 in.
- Compressed Volume (cc):
- 21.504cc
- Lock Wire:
- No
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990
- Application Notes:
- Mark 4 block, has .530 in. bolt holes. Extra bolt holes in valley area.
