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King Adjustable Fuel Pressure Regulator for Injection - 1:1 Rate, 1-10 bar

€118.99
Dispatched under 8 to 12 days, as of Monday, July 27, 2026
This item is made in Italy !
This item is made in Italy !

King Fuel Pressure Regulator

  • For applications with aspirated/turbocharged injection engines
  • 1:1 air/fuel rate
  • Base pressure ajustable from 1 to 10 bar (with proper pump)
  • 2x inlet/outlet port 1/8" NPT
  • 1x return port 1/8" NPT
  • 1x vacuum a/o boost connector, 5 mm tail, on 6x1 mm threaded port
  • Supplied with 3 connectors (1/8" NPT to 8 mm tail) + 1 blanking plug 1/8" NPT
  • Compatible with E85

King Adjustable Fuel Pressure Regulator for Injection Specifications

The installation of high-performance injectors or a high-flow fuel pump requires the replacement of the standard pressure regulator with an adjustable model capable of maintaining stable base pressure. This regulator is also an ideal solution for improving a standard fuel system without additional modifications. It allows for precise pressure adjustment while ensuring optimal system stability.

Designed to ensure constant fuel pressure regardless of engine load (from idle to full throttle) and operating conditions, this regulator offers high flow rates and particularly precise pressure control. It is ideal for modified vehicles intended for street use, motorsports or racing, including modern engines equipped with high-performance ECUs, even when operating at static pressure. The pressure remains stable in the system, even when the engine is switched off.

Manufactured by casting in a specific alloy, each regulator is assembled by hand and then individually tested to ensure reliable operation and impeccable precision.

Characteristics

Manufacturer King

Malpassi

Officina Meccanica Malpassi is an Italian brand renowned for its high-quality automotive components, founded in Seregno in 1966. Combining passion, craftsmanship and precision, it produces pressure regulators, filters and other fuel system parts under the King brand for use in cars, motor sports and other demanding sectors. King products are synonymous with performance, safety and ‘Made in Italy’ quality.