Bosio PowerPlus 357 Injector Nozzles (set of 4)

Manufacturer Number: PP357

$263.57

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8 in Stock

PP357s fit all rotary pump TDIs. They provide a mild improvement in fueling in manual transmission cars, and a significant increase in automatic TDIs. They are nominally the same size as stock manual-transmission injectors, but flow about 6% more fuel because of their hole design. They are an excellent mild upgrade on A3 and B4 TDIs (AHU and 1Z engines), and work extremely well in those cars when combined with a chip-tune. They are also ideal for upgrading power on an automatic TDI when chip-tuning the car and keeping the stock turbo. Includes injector seals.

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PP357s fit all rotary pump TDIs. They provide a mild improvement in fueling in manual transmission cars, and a significant increase in automatic TDIs. They are nominally the same size as stock manual-transmission injectors, but flow about 6% more fuel because of their hole design. They are an excellent mild upgrade on A3 and B4 TDIs (AHU and 1Z engines), and work extremely well in those cars when combined with a chip-tune. They are also ideal for upgrading power on an automatic TDI when chip-tuning the car and keeping the stock turbo. Includes injector seals.

Genuine Bosio product, direct from Italy. .184 nominal hole size.

Established in Turin Italy in 1929, Fratelli Bosio has become a world-leader in nozzles for diesel engines. All Fratelli Bosio nozzles are made in their own factory in Italy to this day. The Sprint and PowerPlus line are popular upgrades for VE pump Volkswagen TDIs, while the SD line are the enthusiast-choice for replacement nozzles on the older Mercedes Diesels.
Volkswagen
  • Golf TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta TDI MkIII (A3 chassis) w/ AHU Engine (1997-1999)
  • Jetta TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta Wagon TDI (A4 chassis) w/ ALH Engine (2002-2003)
  • New Beetle TDI (A4 chassis) w/ ALH Engine (1998-2003)
  • Passat TDI (B4 chassis) w/ AHU/1Z Engine (1996-1997)

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