Steel Pre-Flattened O-Ring Head GasketSuit BB Chev Mark IV Block, 4.540" Bore, .039" Compressed Thickness, Two Coolant Holes Per EndBrand: FELPROPart Number: FE1017-1Description:
- Fits Mark IV Block
- Does not Fit Gen V Block
- Does not Fit Gen VI Block
- Two coolant holes per end.
- Three lower coolant holes
Fel-Pro wire ring head gaskets, with a stainless steel combustion armour, proprietary-coated composite facing material and a solid steel core deliver and unbeatable combination of quality, capability and value making them the single best choice for the vast majority of racing and street performance engines.