Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing 1993-dodge-intrepid-esi9989575 Verify your exhaust has a

Verify your exhaust has a single (not 2-into-1) configuration before ordering

And we made it easy to convert from a Track Edition to a Touring Edition

Adds a calculated +27 hp and +51 lb-ft

1987-1992 Ford F-150 Custom 1995-1996 Ford F-150 Eddie Bauer 1977-1978 Ford F-150 Northland 1977-1981 Ford F-150 Ranger 1978-1981 Ford F-150 Ranger Lariat 1977-1981 Ford F-150 Ranger XLT 1995-1996 Ford F-150 Special 1982-1996 Ford F-150 XL 1982-1983 Ford F-150 XLS 1977

Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing 1993-dodge-intrepid-esi9989575 Verify your exhaust has aThe easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6. 0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep the injectors from outflowing the stock fuel pump, meaning no air in the injectors, and an injector that will live much longer. Most trucks will actually quiet down a little at idle, rev up a lot quicker and with the