Sinister Diesel Billet Blue Cap Kit for Ford 6.4L

Thoroughbred Sku #: SINSD-BCK-6.4
Manufacturer Sku #: SD-BCK-6.4


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Includes Oil filler cap, Fuel filter cap, Oil filter cap (tapped for 1/8" NPT)

Product Details

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Product Name: Sinister Diesel Billet Blue Cap Kit
Manufacturer: Sinister Diesel
Manufacture Part #: SD-BCK-6.4
Thoroughbred Diesel Part #: SINSD-BCK-6.4
Fitment Notes: 2008-2010 Ford Powerstroke

After countless heat cycles, the factory plastic parts under the hood can become brittle and weak over time. But with the precision CNC machined billet Sinister Diesel Blue Cap Kit, you will never worry about cracking your factory plastic 6.4 Oil or Fuel filter caps again!

Kit Includes:

  • Oil filler cap
  • Fuel filter cap
  • Oil filter cap (tapped for 1/8" NPT)


  • 6061 T6 Billet Aluminum
  • Tough, heat-resistant design
  • Blue Anodized Finish


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