Ralph, Ray does have the SJ plenum. IO360, AirFlow FM150, Vertterman trombone exhaust, 1 Pmag, and several other goodies.
Tom Swearengen, TS Flightlines
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan