1969 Pontiac GTO Firebird NOS GM Engine Valve Springs 350 400 High Output
 

NOS GM engine valve springs. Complete set of (16) inner + outer springs enough for one engine. Marked by GM with purple inspection marks. Correct for both 350 + 400 engines.

1969 Pontiac G.T.O. (400) (M/T) (Except RAM AIR) (up to Serial# 709185).
1969 Pontiac G.T.O. (400) (A/T) (up to Serial# 709185).
1969 Pontiac Firebird (350) (4BBL).
1969 Pontiac Firebird (400) (High Output).

Listed on eBay starting at $297 and closes tomorrow (Sunday Night).
EBay link: https://www.ebay.com/itm/133604897224

Thanks, Sam