Weldon Racing Universal Teflon Diaphragm Fuel Pressure Regulator (FPR). Compatible with all racing fuels including ethanol, and methanol. Capable of up to 120 psi. 281 bypass orifice. Hardened steel ball and replaceable steel seat. 1/8 NPT Gauge Port. 1/8 NPT manifold pressure reference port. Fuel pressure increases on a 1:1 ratio with boost. Two -10 […]