K&N universal air filters are washable and reusable. Air Filter Shape: Oval. 1977 TRIUMPH 2500 2.5L V6 CARB Pi (3 required) Automotive. 1976 TRIUMPH 2500 2.5L V6 CARB Pi (3 required) Automotive. 1975 TRIUMPH 2500 2.5L V6 CARB Pi (3 required) Automotive.
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