2000 Trans Am WS6 - LS1 Power Plan - Pontiac Tech
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The spring kit comes with hardened alloy black-oxide coated valve seats that fit into the spring pockets without having to machine the cylinder head to accept the seat. Rather than using the standard retainers, Comp supplied titanium retainers (PN 754-16, retail $265.61), which are produced from 6AL4V alloy that's stronger than the steel-based factory retainer, while significantly reducing valvetrain mass. Viton-based steel-jacketed valve seals are supplied that are specifically designed for the application to ensure proper oil control. View Related Article
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