Steel Pre-Flattened O-Ring Head GasketSuit Holden V8 253-308, 4.090" Bbore, .041" CompressedThicknessBrand: FELPROPart Number: FE1076-1Description: 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.