Recreate Factory style Turbo Rocket Fluid F filter OR now also available restored & customized for you. Purchase AC brand GF-61 filters from ebay which are identical to GF-91 with 5/16 fuel lines only without the TRF wording. (GF-61P filter with 3/8” tubing can also work as they couple with rubber tubes). (photo shows size diff) A pair of stencils w/instructions incl. shipping for $25.00. ALSO AVAILABLE: I purchased NOS GF-61 filters, (they are all 40+ years old and arrive often dented) bead blast, refinish, stenciled & satin cleared: ready to install: $40.00-$60.00 ea (based on good - #1 quality) plus $10.00 postage. PayPal account is email listed or mail a check, email for address. Sandy Gray sandygray2018@gmail.com