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Product Summary

Universal Fit, 28-32 psi Pressure Rating, Steel

  • Safety lock cap for radiators
  • Designed for high pressure, 28-32 lbs
  • Provision to release pressure, taking the danger away from checking your race high pressure system
  • High pressure cap raises boiling point of water
  • Zinc-plated for rust and corrosion prevention
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Key Specs

MFG. Part #91015728
BrandSpeedway Motors
Pressure Rating28-32 psi
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91015728 Details

This safety lock cap for radiators is designed for high pressure, 28-32 lbs.  Provision to release pressure, taking the danger away from checking your race high pressure system.  High pressure cap raises boiling point of water.

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

Speedway Motors 91015728 Specifications

KEY SPECS
MFG. Part #91015728
BrandSpeedway Motors
Pressure Rating28-32 psi
GENERAL
Material TypeSteel
FinishZinc Plated
Overall Length3.07"
Overall Diameter2.60"
Sold in QuantityEach

Ratings & Reviews

4.2

9 Reviews

Overall Assessment

Customers praise the product for its excellent fit and practical functionality, particularly in automotive use like on coolers and race cars. The product is noted for its quality, matching performance of more expensive alternatives. Users also compliment its easy-to-use twist-and-snap design. Despite one critical review citing plastic construction, overall feedback underscores solid outcome and value.

4.2

9 reviews

5

5

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Great radiator cap!

4.0

12 days ago

Jacob

Nevada

Verified

We run them on all 8 race cars, no problems yet !

Would Recommend

Good part

5.0

a year ago

nonme

Norfolk, VA

Verified

Good

Would Recommend

I would buy different

4.0

a year ago

none

Norfolk, VA

Verified

Returned product. Wrong type for my stock application

Would Not Recommend

war gut

5.0

a year ago

manfi

Schönenwerd CH

Verified

Hat am Kühler von unserem Pontiac Le Mans verwendet, war gut

Would Recommend

Never…..plastic pin broke first time used!! JUNK!

1.0

3 years ago

John

PA

Verified

PLASTIC! Junk used once

Would Not Recommend

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Showing 5 of 9 reviews