Marvin is now Jim.
He bought the business last year and moved it to TX. Super good guy, and yes he has what your after.
Nick "Rehab" Nafsinger
91TS Rosharon, TX
RV-4 Bought 2019, Day to Day Restoration while still flying. SDS EFI IO-360, Hartzell CS, DanH inspired custom intake, G3x Panel
RV-8 SB, "Back burner project."
RV-10 Built 2010, Sold 2019