- High-temperature silicone seals
- Stock-pressure rating of 16 psi (1.1 bar)
- Universal fit for most Hondas, Kawasakis, Suzukis and Yamahas
- Part #1903-0010 includes high-temperature metal film warning decal and adhesive and features grooved edges for grip; Pressure rating printed on cap in standard 16 psi and metric 1.1k
- Part #s 1903-0008 and 19030009 are stamped with metric pressure rating of 1.1 bar