This spun aluminum inner mud plug is designed to fit on the inside of the left rear wheel to help keep mud out, Drilled for 5 on 4-1/2", 4-3/4" and 5 on 5" bolt patterns, Great addition to any dirt circle track car such as Modifieds, Sport Mod, and Street Stocks, Can be treated with popular mud repellent sprays for even better defense against unbalanced wheels due to mud accumulation, Available for 2, 3, and 4" backspace wheels
Spun Alum Inner Mud Plug, 15" Left Rear Wheel, 3" Offset Speedway Motors
Spun Alum Inner Mud Plug, 15" Left Rear Wheel, 3" Offset
Sku # 91004308-3
Mfr. Part # 91004308-3
Condition
New
Brand
Speedway Motors
Sold
Each
Details
Info

This spun aluminum inner mud plug is designed to fit on the inside of the left rear wheel to help keep mud out.

Available in 2", 3" or 4" offset for 15" wheels and has 4-1/2", 4-3/4" and 5" bolt patterns. Wheels not included.

Note: Does NOT fit Wide 5 bolt patterns. Additionally, the 3" and 4" version will not clear and thus will not work with common GM 7.5" rear disc brake kit applications.

Legal in most IMCA divisions. Legal in most IMCA divisions.
Installation Tips
Legal in most IMCA divisions. 
Specs
Material Type
Aluminum
Finish
Natural
Wheel Diameter
15 Inch
MFG. Part #
91004308-3
Reviews

good

Rated
Product Rating
by dirthead on January 25, 2022

Summary: Bought 2" offset mud plug. dish/offset wasn't quite right for my 2" Bassett wheel. Easy fix in 60 seconds with a rubber mallet as this is pretty light gauge aluminum. I prefer to not "fix" items I buy new

Yes, I recommend this product.

Item was exactly what I ordered and it fit nice and easy.

Rated
Product Rating
by Dirt Warrior on July 16, 2020

Summary: I've been purchasing everything I need for my race car here and so far I am very pleased.

Yes, I recommend this product.

Great price

Rated
Product Rating
by Mike on May 13, 2019

Summary: Is it on my IMCA Stock Car great product

Yes, I recommend this product.

Good sturdy product

Rated
Product Rating
by James on April 12, 2019

Summary: Good strong mud plug. Fits my 5 by 4 3/4 hubs great

Pros: Well Built / Quality

Yes, I recommend this product.

I would buy this product again

Rated
Product Rating
by Mike on September 04, 2018

Summary: Keeps mud out of left rear wheel.

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.