Volant MaxFlow 5 Clamp-On Air Filter Element - Conical - Oiled - 6 in Base - 4.75 in Top Diameter - 5 in Tall - 4.5 in Flange - Reusable Cotton - Blue - Universal H759C01L 1970-1971 GMC P25/P2500 Van

1970-1971 GMC P25/P2500 Van

1974-1978 Pontiac Catalina Base CID 400 Naturally Aspirated GAS

Carb recommendations: Edelbrock AVS2 or Performer Series 600-800 cfm

These can be used to trigger or control external devices such as nitrous solenoids

Volant MaxFlow 5 Clamp-On Air Filter Element - Conical - Oiled - 6 in Base - 4.75 in Top Diameter - 5 in Tall - 4.5 in Flange - Reusable Cotton - Blue - Universal H759C01L 1970-1971 GMC P25/P2500 VanPRO 5 Filters: Volant's high performance 5 layer air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen. Each filter comes pre oiled and ready for use. This design will allow the highest air flow rate possible and a very long filter life. Use Volant's two stage cleaning kit to thoroughly clean and re oil the filter. We recommend cleaning the Pro filter only when very dirty or when you reach around 12,000