Steel Pre-Flattened O-Ring Head GasketSuit SB Ford 302 Boss, 302-351W SVO, 4.100" Bore, .041" Compressed ThicknessBrand: FELPROPart Number: FE1021Description: 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.