MX5 Shop (new) › Genuine Mazda CAS CAP (NB) Image 1 of 2 Image 2 of 2 Genuine Mazda CAS CAP (NB) $31.10 Genuine Mazda part- one CAS CAP (NB) Add To Cart Added! Genuine Mazda part- one CAS CAP (NB) You may want to see this... Frost Plugs from $3.70 NB2 VVT Rebuild Kit $68.21 Gasket, throttle body to inlet manifold, NA8, NB6, NB8 $7.83 NA8/NB (7") Diff pinion seal $26.45 Cam Shaft Seal - VVT NB2 $33.20