Small Block Chevy Lifter Valley Breather Vents

Description

Allow crankcase pressure to vent upward without having to fight the oil trying to drain into the pan, Keeps oil from draining directly onto the cam and causing windage and power loss, 1/4" NPT
Small Block Chevy Lifter Valley Breather Vents
Sku # 91515900
Mfr. Part # 91515900
Condition
New
Brand
Speedway Motors
Sold
Set
Details
Info
Screw into the oil drain back holes above the camshaft and benefit in 2 ways; First, they allow crankcase pressure to vent upward without having to fight the oil trying to drain into the pan. Second, they keep the oil from draining directly onto the cam causing windage and power loss.
Set of 8.
Specs
Material Type
Aluminum
Sold in Quantity
Set
Wrench Type
Hex
Finish
Natural
Notes
Set of 8.
Thread Pitch
1/4" NPT
Wrench Size
9/16"
Overall Length
2.00
Inside Diameter
.25
Outside Diameter
.45
Thread Length
.50
MFG. Part #
91515900
Reviews
Will buy again
Rated
by Joe on November 04, 2021
Summary:
Works great easy issues
Vent Tubes
Rated
by Chevy Man on October 24, 2017
Summary:
Haven't installed yet but I've used them in the past they Work perfectly good product.
Yes, I recommend this product.
I'd buy them again
Rated
by Needham Racing on September 10, 2017
Summary:
Got them in my dirt car motor and ain't never had any problems
Yes, I recommend this product.
awesome
Rated
by grimm on July 28, 2017
Summary:
Keepin my cam happy
Yes, I recommend this product.
Great looking product
Rated
by X9 camaro on June 25, 2017
Summary:
Helped with what I was trying for
Pros:
Easy To Set Up
Rugged Construction
Yes, I recommend this product.
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 70 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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