Convenient Cooling System Filling: The thermostat housing intake manifold filler neck allows you to conveniently fill your cooling system at the intake manifold when your radiator is positioned lower than the intake, ensuring easy access and efficient coolant filling., Versatile Design for Double Pass Radiators: This filler neck can be flipped to accommodate both right or left side upper hoses, making it a perfect choice for double pass radiators or other configurations., Multiple Threaded Holes for Water Bypass and Sending Units: The back of the neck features two 1/4" NPT and one 1/2" NPT threaded holes, allowing you to install water bypass lines or temperature sending units as needed for your specific cooling setup., Compatible with Standard Radiator Caps: This intake manifold filler nec
Speedway Chevy V8 Thermostat Housing Intake Manifold Filler Neck Speedway Motors
Speedway Chevy V8 Thermostat Housing Intake Manifold Filler Neck
Sku # 5752200
Mfr. Part # 5752200
Condition
New
Brand
Speedway Motors
Sold
Each
Details
Info

This neck allows you to fill your cooling system at the intake manifold if you radiator is lower than the intake. It can be flipped over for RH or LH upper hoses, and has two 1/4" npt and one 1/2" npt hole in the back for bypass lines or sending units. Fill cap plate has a 7/16" pipe nipple welded into the overflow area.

Fits Small Block or Big Block Chevy V8.

Specs
Material Type
Aluminum
Sold in Quantity
Each
Finish
Natural
Notes
Has two 1/4" NPT ports and one 1/2" NPT port. 7/16" pipe nipple for overflow. Includes 3/8" mounting bolts, washers, and gaskets.
Centerline of Holes
3.25
Overall Height
2.25
Assembled Height
3.50
MFG. Part #
5752200
Reviews

I would buy this again, fit perfect no issues

Rated
Product Rating
by BB on February 07, 2022

Summary: Used in front of tunnel ram intake worked perfect

I would buy the product again. it worked perfect

Rated
Product Rating
by 400 sbc on June 29, 2021

Summary: Worked perfect for my airboat build

Great product and great service.

Rated
Product Rating
by Rat Pack on March 22, 2021

Summary: Getting parts sent outside America can be hard. Not with Speedway though. I got the part quickly and the cost for shipping was low. Thank you guys so much.

Yes, I recommend this product.

I would buy it again

Rated
Product Rating
by Ric on September 07, 2020

Summary: I use this on a run stand. It's great

Yes, I recommend this product.

geat fit

Rated
Product Rating
by supergas5111 on July 24, 2020

Summary: works great

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 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.