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Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Billet Spring Housing - SD-FUELBLK-6.0

Special Price $106.43 Regular Price $129.99

Sinister Diesel 99-03 Ford 7.3L (w/ Integrated Fuel Filter) Regulated Fuel Return Kit - SD-FUELREG-7.3

$1,129.99

Sinister Diesel 03-07 Ford 6.0L Regulated Fuel Return Kit - SD-FUELREG-6.0

$1,059.99

Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing - SD-FUELBLK-6.0-ADJ

Special Price $133.85 Regular Price $168.99