Fel-Pro P1003 S/B Chevy 265-400 Steel Ring Head Gasket 4.166 Inch Bore
These Fel-Pro gaskets work with both cast iron and aluminum heads. Pre-flattened steel wire ring gaskets have the strength of steel wire sealing with minimum brinelling of aluminum heads. Pre-flattened copper wire ring gaskets will not brinell aluminum heads. They offer superior heat dissipation. Multi-layer steel gaskets offer current leading-edge technology and provide a long-term, leakproof seal called Perma Torque MLS.
- Gaskets are sold each
- Pre-flattened steel wire
- Nominal compression thickness: .041"
- Compressed volume: 9.1 cc
- 4.166" bore gaskets can be used on 400 race engines with up to 4.155" max bore with minimal chamfer
- When using aluminum heads, we recommend gaskets with soft copper wire rings (such as 344-1010). This ensures that the aluminum head is not "scarred" by the combustion seal. Shim style 344-1094 will also work well with aluminum heads.
Head Gasket Application (JPEG)
Item Details4.166" bore, .041" thick, 9.1 cc volume
NotesGasket can be used on 400 race engines, up to 4.155" maximum bore with minimal chamfer. This gasket also works with 350 and smaller small block chevys. (Per FelPro)
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Q & A
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