B. 12480057 Chevrolet 90 V-6 Valve Cover • For 18 V-6 with CNC-ported cylinder heads P/N 24502523 or 90 V-6 Bowtie casting P/N 10134359 with revised valve cover rail • Relocated bolt holes increase pushrod and rocker arm clearance
• Use with gasket P/N 24502557 • Sold as single piece. Order two per engine.
