meaning???

[dx/dy]

wot do these two stand 4? RRFR, SAFC

 

[Gilly2006]

wot do these two stand 4? RRFR, SAFC

Rising rate fuel pressure regulator Super air fuel controller

 

[Dave@TM-developments.com]

Beat me to it

 

[Monkfish]

conditioner

What, like, Head and Shoulders? :homer:

 

[Gilly2006]

Beat me to it

yes!!!!! for once!!!