Valve Cover Breather

Engine - Valve Cover Breather
Engine - Valve Cover Breather

Valve Cover Breather

89 reviews
Regular price $29.99
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This valve cover breather that simply replaces your factory twist on oil cap on your valve cover. It is beneficial for cars that do not have a PCV system that can keep up with thier engine. This will fix the dreaded dipstick popping up issue. It does this by venting excess crankcase pressure when it builds up. We have been told that people have been seen power gains and lower oil temps after installing it. This update version of our valve cover breather only stands at 2.75" tall so it fits better in tighter spots.

This is a simple one piece design, other venders breathers make adapters to mate to an aftermarket breather. This one is made based off of the factory oil cap and includes a sealing O ring.

PCM programming required, since it is venting your crankcase and allowing your PCV valve to bypass the MAF. 

Note: After installation do not remove valve cover breather by grabbing and twisting the top, we have seen failures because of this. The breather is designed to fit very snug, like an oil cap; the proper method for removal is grabbing the base, or bottom, of the breather and turning from there. If you twist the top you may bend or break the mesh material. 

Fits: Cobalt, Ion Redline, G5, Pursuit, Regal, Grand Prix, Bonneville, Park Ave, Impala, Monte Carlo, LS v8 (Corvette, Camaro, Firebird, GTO, G8), and many other GM vehicles with a single alignment pin valve cover.

DOES NOT fit Cruze/Sonic, or ATS/CTS/2.0 Camaro (LTG engine) due to a dual locator style valve cover. 
DOES NOT fit Sky and Solstice because the engine sits too far under the firewall.

Customer Reviews
4.6 Based on 89 Reviews
5 ★
80% 
71
4 ★
9% 
8
3 ★
6% 
5
2 ★
2% 
2
1 ★
3% 
3
Customer Photos
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KS
01/18/2023
Kyle S.
United States United States

Falls off

Doesn't fit too good very loose. You'll find it up against your header melted after a short drive. The spacing on the groove it too near the bottom. The stock oil cap is different and fits snugly.

ZZPerformance Valve Cover Breather Review
PR
09/13/2022
Patrick R.
United States United States

Does the job

Had a major build of of crankcase pressure. Sure beats spending over $500 to instal a bigger catch can system.

AG
09/10/2022
Adrian G.
United States United States

Looks nice

It's a nice add on

JC
07/20/2022
Jason C.
United States United States

Great breather

5 star I will definitely do business here again

PH
07/02/2022
Preston H.
United States United States

It WILL Fit A Kappa

Get Creative!

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