JHM High Pressure-Mechanical Fuel Pump Upgrade Kit, HPFP for B7-RS4, B8-S5 w/ 4.2L FSI
NOTE: 1 set of JHM HPFP Upgrade Internals shown. This kit will come with a pair of internals. Click to enlarge picture
NOTE: 1 set of JHM HPFP Upgrade Internals shown. This kit will come with a pair of internals. FEATURES
- Piston has 50% more area than OEM (OEM Piston Size: 8.0mm versus JHM Piston Size: 9.8mm)
- Piston head optimized for ideal fuel flow direction
- Piston surface hardened before coating
- Piston machined after coating
- Upgraded spring, slightly stiffer than OEM for improved high RPM piston stability
- Uses OEM-style spring keeper PARTS INCLUDED
- 2x Upgraded Piston w/ Directional Flow Head
- 2x Upgraded Spring
- 2x Spring Keeper and Tappet Assembly
- 2x Piston Cylinder or Sleeve
- 1x Installation tool FITMENT: The JHM High Pressure Fuel Pump Internals Upgrade Kit will fit all 4.2L FSI V8 motors with the Hitachi fuel pumps. This includes the following cars:
- Audi B7-RS4 with the 4.2L FSI V8
- Audi B8-S5 with the 4.2L FSI V8 NOTE: Does not fit the newer Audi-VW cars with "TSI" motors and Bosch high pressure pumps. INSTALLATION AND INSTRUCTIONS
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Off-road use ONLY: THIS PRODUCT IS FOR RACING COMPETITION ONLY AND IS NOT LEGAL FOR USE IN HIGHWAY OR STREET VEHICLES OR OTHER NON-RACING COMPETITION OFF-ROAD VEHICLES. BY PURCHASING THIS PRODUCT YOU ACKNOWLEDGE ITS INTENDED USE.
|Audi||RS4||B7 (2006-2009)||4.2l V8 32v FSI|
|Audi||S5||B8-B8.5 (2008-2017)||4.2l V8 32v FSI|
Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
Learn More: www.p65warnings.ca.gov
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