Aeroflow Fuel Rails fits Mazda Series 4,5 13B Billet EFI Fuel Rails - Blue Engine mounts and Hinges 46" diameter valve spring to

46" diameter valve spring to handle

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Aeroflow Fuel Rails fits Mazda Series 4,5 13B Billet EFI Fuel Rails - Blue Engine mounts and Hinges 46" diameter valve spring toPart Number : AF64 2213 Fits Mazda Series 4,5 13B Billet EFI Fuel Rails Blue Suit 14mm Full Length Fuel Injectors, 8ORB Ports New design Aeroflow Performance Mazda rotary fuel rail to suit 13B engines in series 4 and 5 Mazda RX7. The high flow primary and secondary fuel rails have an integrated one piece bracket design. Each rail features female 8ORB ports on each end and a large internal bore to support all necessary engine power requirements.