This heavy-duty tensioner block is designed for 1990–2005 Mazda Miata NA and NB models. keeping your alternator belt properly tensioned under all conditions, from spirited street driving to track abuse.
Direct bolt-on replacement with no modifications needed.
Features:
Fits 1990–2005 Mazda Miata (NA & NB)
CNC-machined from high-strength billet steel
Prevents flexing and maintains consistent belt tension
