Which kind of filter is inside?

It's some kind of foam. It's a fairly inexpensive breather so I wasn't expecting a lot. At least it's not paper.

Will it fit 1 inch hole?

It might fit a 1 in hole but I know it will not fit a 3/4 hole.

Will this fit a 7/8" hole?

No, the Spectre Performance 4299 .75" Push-In Breather with Grommet will not fit a 7/8" hole.

Will this fit in a stock 1979 5.7 350 chevy valve cover hole?

The I.D. of the grommet is about 3/4". The O.D. is a smidge less than 1 1/4" (31mm). The groove is a smidge less than 1/4" wide. The O.D. at the groove is a smidge less than 1 1/4". Measure the hole in your valve cover.

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Performance 4299 .75" Push-In Breather with Grommet

Product ID: 54375931

Details

Brand
Spectre
Color
Standard
Item Weight
0.13 kg
Manufacturer
Spectre
Material
Steel
Number of Packs
1

📏0.75" tube diameter for precise fit

🧩Includes grommet for secure installation

🛠️Steel construction for durability

70.53 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏁 Push your performance to the limit with Spectre’s precision breather!

RACE PROVEN DURABILITY - Built from high-quality steel to withstand extreme conditions and last longer than standard breathers.
TOP RANKED RELIABILITY - Rated #2 in Automotive Performance Emission Systems with a 4.7-star average from over 600 enthusiasts—join the winning team.
PRECISION FIT GUARANTEED - 0.75-inch tube diameter engineered for seamless push-in installation, eliminating leaks and ensuring optimal performance.
TRACK TESTED PERFORMANCE - Designed by Speed By Spectre, a brand rooted in racing, ensuring every breather delivers top-tier airflow and emission control.
ALL INCLUSIVE INSTALLATION - Comes with a custom grommet to provide a tight, vibration-resistant seal—no extra parts needed.

The Spectre Performance 4299 .75" Push-In Breather with Grommet is a steel-constructed automotive part designed for high durability and precise fit. Engineered by a racing-rooted brand, it features a 0.75-inch tube diameter and includes a grommet for secure installation. Highly rated and ranked #2 in automotive emission systems, it offers professional-grade performance and reliability for enthusiasts and pros alike.

Specifications

ASIN	B004AJ1754
Best Sellers Rank	#44,788 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Performance Emission Systems
Brand Name	Spectre
Color	Standard
Customer Reviews	4.7 4.7 out of 5 stars (623)
Global Trade Identification Number	00089601429908
Included Components	CAP; BREATHER, PUSH-IN, 3/4" W/GROMMET
Item Type Name	Automotive Parts & Accessories
Item Weight	0.13 kg
Manufacturer	Spectre
Manufacturer Warranty Description	Manufacturer’s Warranty
Material Type	Steel
Outside Diameter	0.75 inches
UPC	089601429908
Unit Count	1 Count

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70.53 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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