Speed Pro Copper Head Gasket – .043″ Thickness, 4.380″ Bore, Reusable Sealing (Sce-P133843)

Description

Pro Copper Head Gasket 4.380″ Bore, .043 Thick P133843 SCE-P133843 Suit B/B Chev MK4 BBC MK4 4.380 x .043 PRO Pro-Copper Head Gaskets

Not all solid copper gaskets are created equal. SCE uses premium 99% pure copper sheets rolled to our specifications (choice of 12 different thicknesses) and tested for uniform flatness to assure precise cylinder head-to-block alignment and eliminate uneven loading. After processing, each gasket is annealed to ensure optimum mating and provide measurable gains in-cylinder sealing, as evidenced by lower leak-down percentages. O-ringing recommended.

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