Made up of a restrictor jet provision and neoprene diaphragm for gasoline or methanol, Features simple adjustable pop-off pressure using a blade screwdriver and 7/16" wrench, Designed for on secondary or high speed bypass on long tracks, Housing is constructed out of hard anodized aluminum, Adjusting screw and lock nut is a special radius 12-24 threaded screw
Kinsler Fuel Injection 3904 High Speed Diaphragm Bypass Kinsler Fuel Injection
Kinsler Fuel Injection 3904 High Speed Diaphragm Bypass
Sku # 4733114
Mfr. Part # 3904
Condition
New
Brand
Kinsler Fuel Injection
Sold
Each
Details
Info

This Kinser diaphragm bypass is used for secondary or high speed bypass on long tracks. Has a restrictor jet provision, neoprene diaphragm for gasoline or methanol, and a hard-anodized aluminum housing. Simple adjustable pop-off pressure using a balde screwdriver and 7/16" wrench.

Includes -6 AN male flare fittings.

Reviews

perfect item, great price, shipped right away.

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by Tomdom518 on February 16, 2021

Summary: Will be used on 360 sprint car engine

Pros: Cant go wrong with Kinsler and Speedway.

Yes, I recommend this product.

Kinsler Parts

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by Macsheen on November 20, 2019

Summary: Just what we needed to upgrade our system.

Pros: 1st class product

Kinsler High Speed

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by Macsheen on December 13, 2016

Summary: Excellent product was what I ordered.

Yes, I recommend this product.

Best Price and fast shipping on Kinsler

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by papa_boss1 on May 24, 2016

Summary: I use Sppedway when I need dependable delievery of parts that I need befor the next race date. I do not have to worry about delays in shipping or order mixups. Great website and customer telephone support...AAA+++

Pros: Easy Website Free Shipping Kwic Service Safe Packaging Speedway Sells Name Brand

Yes, I recommend this product.

Tech Support
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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 72 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.