Nissan OEM 300ZX TT Head Gasket-: $50 for one or $90 for two, posted anywhere in Oz. I have two of these on me. RRP $63 from CZP https://conceptzperformance.com/Cart/description.php?II=10271 Nissan OEM 300ZX Valve Seal Set-: $65 posted anywhere in OZ RRP $111 from CZP https://conceptzperformance.com/Cart/description.php?II=4684 :zlove: