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.
| 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 |
Shipping: In-stock orders placed before 4 PM EST ship the same day, with standard, expedited, and overnight options available at checkout. Backordered items ship as soon as our distributor restocks — contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
