Filter Adapter Screw for ENV-19X Series

Starting at $39.00

Part #
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  • Replacement filter thread adapter screw for Improved Racing ENV-19X series filter takeoff adapters
  • Lifetime Warranty. Made in the USA.

Improved Racing Warranty Badge

Part # HSC-51XX

This thread adapter screw is used in conjunction with Improved Racing's ENV-19X series filter takeoffs. Note that although these are sold separately as replacement components, they should typically be purchased in conjunction with our ENV-19X filter takeoffs using the configurators.

Features and Benefits

  • Use with Improved Racing's ENV-19X filter takeoffs
  • Available for 3/4"-16, 13/16"-16, M20x1.50, and M22x1.50 filter thread sizes
  • Designed to maximize oil flow and minimize pressure drop
  • CNC-machined 6061-T6 billet aluminum construction with MIL-A-8625 Type II green anodized finish
  • FKM (Viton) O-ring seal for maximum temperature range, fluid compatibility, longevity and reliability
  • Lifetime Warranty
  • Made in the USA


  • 1x Filter adapter screw
  • 1x Viton (FKM) seal


  • Use in conjunction with Improved Racing's ENV-19X series filter takeoffs to adapt to various filter threads
Part #
Minimum Operating Temperature
-40°F (-40°C)
Maximum Operating Temperature
302°F (150°C)
Hex Size
19mm (3/4")
Primary Material
6061-T6 aluminum
Type II Anodized
Improved Racing
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