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Radiator Accessory Kit
Radiator Accessory Kit

Radiator Accessory Kit

Universal Fit, 2.00" Overall Height, 4.47" Overall Length, 1/8" NPT Thread Pitch, Natural

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Radiator Accessory Kit
Radiator Accessory Kit
Radiator Accessory Kit
Radiator Accessory Kit
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Part # 91605021
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Overall Height:
Overall Length:
Thread Pitch:
1/8" NPT
Sold in Quantity:



Kit Includes:

  • (1) Speedway Inline Die Cast Filler Neck
  • (1) Stant High Pressure Racing Radiator Cap
  • (1) Speedway Radiator Overflow Kit
  • (2) COMP Cams Gator Brand Hose Clamp

Speedway Inline Die Cast Filler Neck

This 1-1/2" inline hose adapter allows you to put a radiator fill cap inline. 

  • Overall Height: 2.00"
  • Overall Length: 4.47"
  • Inside Diameter: 1.18"
  • Outside Diameter: 1.50"
  • Thread Pitch: 1/8" NPT
  • Material Type: Aluminum
  • Finish: Natural

Stant High Pressure Racing Radiator Cap

Stant racing radiator caps are used by all the top NASCAR teams. They are best high pressure radiator caps you can buy! The Stant 10372 has a 21-25 psi pressure rating and is designed for open systems on racing vehicles.

  • Overall Height: 2.625"
  • Overall Length: 3.14"
  • Overall Diameter: 2.625"
  • Pressure Rating: 21-25 lbs
  • Material Type: Steel
  • Finish: Zinc Plated

Learn more about how to choose the proper pressure radiator cap and how they work by reading our tech article, Cooling System Principles

Speedway Radiator Overflow Kit

  • Aluminum 1/8" NPT to 1/4" barb fitting
  • 1/4" plastic tubing

COMP Cams Gator Brand Hose Clamp

Gator Brand Performance Hose Clamps, Size Range: 1.250"-2.000" OR 35mm-50mm. Gator Brand Clamps are produced using a stainless steel continuous band with extruded, asymmetrical threads for reliable performance. The edges of the band are rolled to prevent any sharp edges from damaging the hose. This is especially important on silicone hoses that have a soft, vulnerable cover.

  • Constructed of continuous stainless steel band with extruded, asymmetrical threads
  • Asymmetrical (offset) gear box employed to reduce clamp twist when tightening
  • Combination of asymmetrical gear box and extruded threads provides even clamping force over surface of hose
  • Hold up under 3.7 ft./lbs. (5nm) torque
  • Cover size range of 5/16" (8mm) to 5.000" (120mm)
  • MFG. Part #: G31232
  • Hose OD: 1.25"
  • Material Type: Stainless Steel
  • Finish: Natural
  • Minimum Clamping Diameter: 1.25"
  • Maximum Clamping Diameter: 2"
  • Style: Worm Gear
  • Grip Range: 1-1/4" to 2"

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Inline Die Cast Filler Neck, 1.5 Inch Hose
    Qty x 1
  • Stant 10372 High Pressure Racing Radiator Cap, 21-25 Lbs
    Qty x 1
  • Radiator Overflow Kit
    Qty x 1
  • COMP Cams G31232 Gator Brand Hose Clamp, 1.250 - 2 in. Range, Size 24
    Qty x 2

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