CHEVROLET PERFORMANCE
LS9 Cylinder Head Gen-4
SKU: GMP19420456
$582.74
We suggest checking fitment carefully — product data mentions: LS9 Cylinder Head Gen-4 · Valve Spring - Single Spring - 1.220 in Coil Bind - 1.320 in OD - Retainers / Rocker Arm Wear. Always confirm before you buy.
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Valve Spring Kit - Single Spring - 1.220 in Coil Bind - 1.320 in OD - Retainers / Rocker Arm Wear Pads / Seals / Seats / Valves Included - GM LS-Series - Kit
Questions about fitment or install? Ask Grok anytime, or Call Us at +1 (424) 447-8470. We're here to get the right part on your build.

Comments & builder notes
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