NOS GM OEM 9798145 Valve Spring Cup Set (8 Packs /16 Total) Pontiac 1967-1969 V8 For Sale

Up for sale is a complete, matched engine set of 16 ultra-rare New Old Stock (NOS) General Motors Valve Spring Cups, Part #9798145 (Group 0.309).This listing includes exactly 8 factory-sealed vintage GM packages, with 2 cups per package, giving you the complete count of 16 needed for a full V8 engine build.Perfect for a high-end, period-correct concours restoration where aftermarket parts simply won't cut it. Finding a complete matching set of 16 in their original wrappers is extremely difficult today.Condition Details: Authentic NOS. The packages are original and remain factory-sealed ("Not Returnable If Opened"). Packaging shows light shelf wear consistent with age, but the components inside are perfectly preserved.Fitment Note: Correct for classic late-1960s GM / Pontiac V8 engine builds (typically 1967, 1968, and 1969 applications).