Ford SB / Mopar BB 0.507" OD 0.343" ID 2.087" Intake Valve Guide Speedmaster electric fuel pumps feature

Speedmaster electric fuel pumps feature an improved design for street and strip applications

reliable cam timing

Unlike our competitors that only use 3 or 4 pinion gears

and highly viscous silicone fluid between the two--these SFI-approved Fluid dampers can control all crankshaft vibration

Ford SB / Mopar BB 0.507" OD 0.343" ID 2.087" Intake Valve Guide Speedmaster electric fuel pumps featureSpeedmaster valve guides are constructed from high quality bronze for durability and wear, and built to exacting tolerances, they replace your existing worn or damaged valve guides. These guides are offered in a variety of diameters to suit your application..