The Turbosmart FPR6 is an adjustable fuel pressure regulator for engines running high-flow fuel pumps or larger injectors, where a stable, tunable base pressure is essential. It accepts -6AN fittings, includes a fuel pressure gauge, and provides a boost-referenced 1:1 rise so fuel pressure tracks manifold pressure under boost.
Specifications
| Type | Adjustable rising-rate fuel pressure regulator |
| Fitting Size | -6AN |
| Included | Fuel pressure gauge |
| Reference | Boost/vacuum referenced (1:1 rise) |
| Body | Billet aluminum |
| Color | Black |
| Part Number | TS-0404-1022 |
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