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Moroso Performance Parts
Moroso 25900
Moroso 25900 Crankcase Evac. System 500x306
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Moroso 25900
Moroso 25900 Crankcase Evacuation Kit
Universal fit
Retail Price: $75.97
Our Price: $61.95
UPC 084663259005
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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Performance Parts is a Moroso authorized performance retailer
Product Info Related Items
Application: Street/Strip
Moroso 25900 Crankcase Evacuation Kit
Universal fit

Use this kit to create a breather system from valve cover to exhaust headers. This will reduce crankcase pressure throughout the RPM range which will help promote increased piston ring seal and reduced intake charge contamination.

Tests have shown the addition of a breather system like this will deliver a significant increase in engine performance and fewer oil leaks.

The kit includes 2 each: oil separators/breathers, breather/filler cap grommets, one-way check valve and weld-in nipple for header collectors. All you need to add is some 5/8" diameter hose.

5/8" hose sold separately
Shipping Weight/Dimensions:
Weight:1.48 lbs
Height:4.00 in.
Length:6.00 in.
Width:6.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
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Fits all valve covers with 1.22" holes
Moroso 97810
Weld-in Nipple for Header Collector

• For Moroso 25900
• Made in USA
Moroso 97800
Moroso 97800 Check Valve
- Last Updated: 2014-09-03 16:47:10 -
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