Gm Performance Parts Lsx 454 Heads
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New for '09, GMPP is releasing LSX heads with the matching six-bolt-per-cylinder deck surface design. The extra two fasteners per cylinder add 28 percent more clamping force across the head surface, not to mention they flow over 370 cfm on the intake. The LSX-LS7 head is just the first in an entirely new lineup of high-end LS heads coming our way. View Related Article
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