In-Tank Electric Pumps. EFI-equipped vehicles since the mid-'90s have been sold with "in-tank" electric fuel pumps. These pumps are quiet and work very well in stock applications.

Through the years, we’ve talked about how these radial piston pumps work and pointed out when you need to consider upgrading. Now, for the first time, and with help from the experts at Bosch ...

Two new sizes join the H1 piston-pump line — the 60 cm3/68 cm3 and 89 cm3/100 cm3 ...