Timing belt replacement original article – http://www.miata.net/garage/timingbelt.html

Miata ignition original article – http://www.miata.net/garage/ignition.html

Miata 1.6 B6ZE ~92 aftermarket part numbers
Timing belt – Contitech CT769
Timing belt tensioner – GMB E43006, SKF VKM 74201
Timing belt idler – GMB E53006, SKF VKM 84201
Water pump – AIRTEX 590-353
Alternator belt (no AC) – Contitech AVX13X900
PAS belt (no AC) – Contitech 4PK855
Sparkplugs 1.6 NA – NGK BKR5E
Oil filter FRAM PH6607 -> PH4998

Miata 1.8 BPZE ~97 aftermarket part numbers
Timing belt – Contitech CT769
Timing belt tensioner – GMB E43006, SKF VKM 74201
Timing belt idler – GMB E53006, SKF VKM 84201
Exhaust manifold gasket – AJUSA 13100300, MAZDA BP05-13-460
Cam cover gasket – AJUSA 11053800, MAZDA BP05-10-235
Water pump – GMB D13030
Oil filter FRAM PH6607 -> PH4998
Cam and crank seals same as 1.6 B6ZE, see below

Interchangable parts between 1.6 B6ZE and 1.8 BPZE
Timing belt, tensioner, idler, water pump, oil filter
Cam seal (34x48x7) – Ajusa 15012000
Rear crank seal (83x100x9) – Ajusa 15037300
Front crank seal (36,5×50,5×7) – Ajusa 15051900

Studs & bolts
Exhaust manifold – M10 x 1.25 x 9 studs
Intake manifold – M8 x 1.25 x 9 studs

Oil filter thread pitch – M20 x 1,5

Brakes:
NB 1.8 front brake caliper cylinder – 46mm height x 51mm diameter x 48mm collar diameter (Frenkit P514601)
NB 1.8 rear brake caliper cylinder – 46mm(45.5mm) height x 32mm diameter (Frenkit P324501, Budweg 233206)