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#54525900
$103.99
/each
In Stock
$114.26
Save $10.27
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0.68" Hole Diameter, Push-in Attachment Style, Steel
| MFG. Part # | 25900 |
| Attachment Style | Push-in |
| Valve Cover Hole Size | 0.625" |
| Material Type | Steel |
| Finish | Zinc Plated |
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Return PolicyEvac System Reduces crankcase pressure throughout entire rpm range for increased piston ring seal, reduced intake charge contamination and fewer oil leaks. Track and dyno tests prove increases in engine performance. Welding required. Cannot be used on cars w/ mufflers.
Moroso 25900 Crankcase Evacuation System Includes 2 each: Oil Separators/Breathers, Breather/Filler Cap Grommets, One-Way Check Valve and Weld-In Nipple for header collector, use with 5/8” diameter hose.
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545-25900 Instructions (PDF)
Guides & Documents
| KEY SPECS | |
|---|---|
| MFG. Part # | 25900 |
| Brand | Moroso |
| Attachment Style | Push-in |
| Valve Cover Hole Size | 0.625" |
| Material Type | Steel |
| Finish | Zinc Plated |
| GENERAL | |
| Sold in Quantity | Kit |
| GTIN Code | 084663259005 |
| Mounted Height | 2.50" |
| Hole Diameter | 0.68" |
| Overall Diameter | 3.06" |
4
7 Reviews
Customers praise the product for its outstanding features and confirmed qualities. It is highly regarded for its great system, easy installation, and simplicity. Users particularly mention its practical usage in drag race and oval track applications and its effective prevention of oil leaks. Though some had issues with a faulty valve, many were satisfied with the efficiency of the one-way valve, while underscoring the need to order a hose together with the kit. The product's construction was seen as comprehensive and devoid of unnecessary extras, although customers expressed minor disappointment in the product being made in Taiwan. Despite this, customers generally recommend the product and would buy it again.
4
7 reviews
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Filter by Ratings
Yes
4.0
a year ago
Turtle
Ct.
Verified
Don't know yet
Would Recommend
would buy again
5.0
9 years ago
hank
Medora il
Verified
B-mod
Would Recommend
system
5.0
9 years ago
ole
sf sd
Verified
works great
Would Recommend
Great system thats easy to install
5.0
9 years ago
Grampa Kurt
NE Wisconsin
Verified
I have used several of these over the years on both drag race and oval track applications. Drawing a vacuum inside the crankcase has really prevented oil leaks for me. Highly recommend!
Would Recommend
one of the valves were bad
1.0
11 years ago
mark
delta ut
Verified
one of the valves were bad post to be a one-way valve which were a 2 Way valve cause a lot of headache and caused a lot of problems
Would Not Recommend
Simple and Complete
5.0
14 years ago
FalconRacer
Muskogee, OK
Verified
Simple and complete kit. No frills just what is needed. Remember to order hose when purchasing.
Would Recommend
Taiwan
3.0
15 years ago
racer56
san antonio,texas
Verified
love speedway motors,just a little disappointed the moroso crankcase evacuation system I ordered had "made in Taiwan" on breathers.
Showing 7 of 7 reviews
2 Questions • 2 Answers
How are the breathers/oil separators emptied of oil? Can this system be used in a water cooled boat exhaust collector?
by Jay
• 10 years ago
1 answer
View Answer
what type of hose do you use with this crankcase evacuation system?
by 43lmod
• 11 years ago
1 answer
View Answer
2 of 2 questions shown
