Moroso pre-filter screen for Chevy / HP4 style filters
"Engine Saver" Pre-Filter Screen
• Fits Small Block Chevy, Big Block Chevy and 90° V6 Chevy engines used in race, street or fleet use
• 280 micron range without affecting oil flow or oil pressure.
• Unique stainless steel screen locates on top of spin-on filters to trap debris before it enters the filter element undetected
• Crimped rings at both outside and inside diameters provide increased strength and extended durability
• Designed in cooperation with Jomar Racing Engines