Truetrac performs like an open differential
Will suit Pacemaker extractors
one at each end
the Radium Engineering collector box has been optimized to work in ALL gas tanks
Always verify fitment against your specific build
Radium FPR Adaptor 8AN ORB, 11mm Bore, 32mm Spacing, M5 - Subaru/Nissan/Mazda RX-7 valve cover Truetrac performs like an openRadium FPR FPD Adapter 8AN ORB, 11mm Bore, 32mm Spacing, M5 Suits: Subaru applications with OEM FPR FPD using 11mm bore, 32mm spacing, M5 mounting Nissan applications with OEM FPR FPD using 11mm bore, 32mm spacing, M5 mounting Mazda RX 7 applications with OEM FPR FPD using 11mm bore, 32mm spacing, M5 mounting The Radium Engineering FPR FPD Adapter allows an OEM fuel pressure regulator (FPR) or fuel pulse damper (FPD) to be reused in an aftermarket