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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Spectre 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

€ 17.99

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Description

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

TOP RATED RELIABILITY - With a 4.7-star rating from over 600 users, this breather is trusted by enthusiasts who demand quality and style.
RACE PROVEN DURABILITY - Built from high-quality steel to withstand extreme conditions and last longer than standard breathers.
PRECISION FIT GUARANTEED - 0.75-inch tube diameter engineered for a seamless push-in installation, ensuring no leaks or loose fittings.
TRACK TESTED PERFORMANCE - Designed by Speed By Spectre, a brand rooted in racing, delivering performance that’s proven on the racetrack and ready for your ride.
ALL INCLUSIVE INSTALLATION - Comes with a custom grommet to provide a tight, vibration-resistant seal every time.

The Spectre Performance 4299 .75" Push-In Breather with Grommet is a steel-constructed automotive part designed for optimal fit and durability. Engineered with a 0.75-inch tube diameter and including a secure grommet, it ensures a reliable, vibration-resistant seal. Backed by racing heritage and a 4.7-star user rating, this breather combines high-quality materials with proven track performance, making it a top choice for automotive enthusiasts seeking both function and style.

Specifications

ASIN	B004AJ1754
Best Sellers Rank	#35,036 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Performance Emission Systems
Brand Name	Spectre
Color	Standard
Customer Reviews	4.7 4.7 out of 5 stars (618)
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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TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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€ 17.99

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered 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 Portugal.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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