Twin Air Dual Stage Foam Air Filter for Maico MX (1970-1979), Bultaco Frontere/Frontere Pursang/Pursang (1974-1979) High Performance Engine Protection for Off-Road Motorcycles (OEM Part # 86.15-094) engine covers The 18-volt battery pack delivers

The 18-volt battery pack delivers fade-free power and runs substantially cooler through heavy applications

this filter delivers superior airflow and filtration in dusty

With a load range of SL and a load index/speed rating of 87V

the Micro Cell features an epoxy prepreg carbon frame

Twin Air Dual Stage Foam Air Filter for Maico MX (1970-1979), Bultaco Frontere/Frontere Pursang/Pursang (1974-1979) High Performance Engine Protection for Off-Road Motorcycles (OEM Part # 86.15-094) engine covers The 18-volt battery pack deliversRestore the heart of your vintage dirt bike with the Twin Air Original Dual Stage Foam Air Filter (Part #156001), the industry standard for motocross and enduro performance since 1987. Designed specifically for the rugged demands of classic Maico MX and Bultaco machines, this filter delivers uncompromising engine protection and enhanced airflow to keep your bike running strong whether you're tearing up vintage races or reviving a garage gem. Perfect