IRP Stainless Steel Oil Filler Neck


In stock

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Please let us know what color you would prefer. If it is a color we have in stock the price of powdercoating will be $60.
If we do not have the color powder in stock additional charges may apply, we will contact you regarding this with options.
Choose your color at:

Powdercoat Color Choice (+$60)

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PDue to OVERWHELMING interest we have decided to start manufacturing another run of Our Original Stainless Steel Oil Filler Neck with a few improvements!

Accept No Substitutes. 

  • All 304 Stainless Steel construction – Now 304 cres ASTM A240 – DFARS Compliant, All Domestic Material
  • Butt welded fittings and neck, TIG welded
  •  –10 port to run to catch can
  • Integrated Baffle to reduce oil flowing up filler neck during hard cornering.
  • Made in the U.S.A. by rotary enthusiasts
  • Works with stock and aftermarket oil caps
  • Provides additional clearance when running aftermarket intake manifolds such as GZ/Xcessive
  • No modifications needed, bolt on and go
  • Includes sealing o-ring and Stainless Steel mounting hardware

Please note: There have been some improvements over our original run of this product.
Changes are as follows:

    • 304 cres ASTM A240 – All DFARS Material
    • Single –10 port
    • Improved flange and baffle design
    • Addition of 1/8 NPT Side Port to run PCV or to Vent Oil Injectors

Estimated shipping 2/15-2/28/19. Possibly sooner.

Additional information

Weight 32 oz
Dimensions 7 × 4 × 4 in


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