Moroso Racing Radiator Cap – 38-42 PSI

SKU: 63350 / UPC: 084663633508

Moroso Racing Radiator Cap, 38-42 PSI

The Moroso Racing Radiator Cap, designed for high-pressure performance in demanding racing and street applications. Engineered with precision, this 38-42 PSI radiator cap ensures reliable pressure regulation, enhancing heat transfer and maintaining coolant system integrity under extreme conditions. Crafted by Moroso, a trusted name in automotive performance since 1968, this radiator cap delivers durability and functionality for racers and enthusiasts alike.

Key Features and Benefits

• High-Pressure Design (38-42 PSI): Maintains consistent pressure to increase the boiling point of coolant, ensuring efficient heat dissipation for high-performance engines.
• Durable Construction: Features a stainless steel spring and solid brass spring retainer for long-lasting performance and resistance to rust, even in harsh racing environments.
• Six-Sided Hexagon Design: Provides a secure grip for easy installation and removal, making maintenance quick and hassle-free.
• Universal Fitment: Compatible with standard-size radiator filler necks, including Moroso radiator models (Part Nos. 63420, 63465, 63466, 63467, 63485, 63486, 63650, 63651, 63656, 63730, 63740, 63745), ensuring versatility across various vehicle setups.
• Racing and Street Ready: Built to meet the needs of circle track, road racing, and high-performance street applications, delivering reliable performance in high-stress conditions.

What’s Included in Your Purchase

• Moroso Racing Radiator Cap (SKU: 63350, UPC: 084663633508)
• Pressure Rating: 38-42 PSI
• Material: Steel with stainless steel spring and solid brass spring retainer
• Design: Six-sided hexagon for easy tightening

Vehicle Fitment

The Moroso Racing Radiator Cap (SKU: 63350) is designed for universal fitment on vehicles with standard-size radiator filler necks. It is compatible with a wide range of makes and models, particularly those equipped with Moroso radiators or aftermarket cooling systems requiring high-pressure caps. Common applications include:

• Racing Vehicles: Suitable for circle track, drag racing, and road racing vehicles.
• High-Performance Street Cars: Fits custom builds and modified vehicles with standard radiator filler necks.
• Specific Moroso Radiator Compatibility: Works seamlessly with Moroso radiator part numbers 63420, 63465, 63466, 63467, 63485, 63486, 63650, 63651, 63656, 63730, 63740, and 63745.

Note: Verify your vehicle’s radiator filler neck size and pressure requirements before purchase to ensure proper fitment. This cap is designed for standard-size filler necks but may not fit all OEM or specialty radiators.

Why Choose the Moroso?

Unlike standard radiator caps, the Moroso 63350 is built for the rigors of high-performance driving. Its 38-42 PSI rating supports extreme cooling demands, making it ideal for racing applications where engine temperatures push the limits. The stainless steel spring maintains accurate pressure over time, preventing leaks and ensuring consistent performance. Backed by Moroso’s legacy of quality, this radiator cap is a reliable choice for drivers seeking durability and performance in their cooling system.

Purchase Details

• Part Number: 63350
• UPC: 084663633508
• Warranty: Manufacturer’s warranty available; contact Moroso customer service for details.

Customer Assurance

Moroso Performance Products, founded by racer and engineer D. Moroso, has been a leader in automotive performance for over 50 years. This radiator cap reflects their commitment to quality, designed to meet the needs of grassroots racers and professional teams alike.