This Pipercross KK150 chrome top cone filter is low-conical foam air filter is suitable for 1.25" SU carburettors. Full flow, high capacity competition foam air filters. The KK range of Pipercross high performance air filters offer the ultimate in engine filtration, and have been designed for motorists, who want the very best from their Mini engine. All Pipercross filters are designed for both road and competition use. All Pipercross filters are manufactured using the latest technology and special porous foam, which has been proven to retain far more dirt than ordinary filters, with virtually no restriction of air flow. The KK150 was specially designed for Classic Mini and Metro SU applications. These filters supplied with a special clearance gasket which eliminates the clearance problems often associated with Mini fittings. The element is produced in competition three-layer laminate foam and replacements are available separately.