This is the same smooth-flow oil filler as noted above but with our billet grooved cap P/N: 8899.
Both cap and body are fully polished just like on P/N: 7904. Supplied with 1/4" NPT - 1/2" barbed
hose fitting so breather line hookup is easy.
Billet Oil Filler w/Grooved Cap & w/Vent