10 Best Automotive Performance Engine Expansion Plug Kits - Updated December 2022

Allie Wester

I’m Director of Marketing Communications at Tito's Handmade Vodka and manage our media, PR and social teams.

Prior to joining Tito's in 2017, I spent nearly 10 years on the agency side at Omnicom agencies Fanscape and The Marketing Arm, where I worked on a wide variety of clients and focused on social & digital, PR, corporate communications and influencer marketing.

My longest-standing and favorite clients were our AOR accounts for Mars, Incorporated; Blue Diamond Almonds; and Almond Breeze Almondmilk.

I live in Austin, TX with my husband, Chris, and our flat coated retriever/border collie mix, Sammy.

🧑 About Me | 📧 Email | 📜 Articles | 🤝 LinkedIn | 🐦 Twitter

Best Reviews Tips > Automotive > Automotive Performance Parts & Accessories > Automotive Performance Engines & Engine Parts > Automotive Performance Engine Parts > Automotive Performance Engine Expansion Plug Kits > Automotive Performance Engine Expansion Plug Kits

Automotive Performance Engine Expansion Plug Kits - Comparison Table

Rank	Product Name	Score	Check Price
1	Allstar Performance ALL36170 Aluminum 3' Bung and Cap Kit Allstar	9.7 Score	View Product
2	Mr. Gasket 9832 Street Legal Dress-Up Kit Mr.	9.5 Score	View Product
3	Sealed Power 3818010 Brass Expansion Plug Kit Sealed	9.3 Score	View Product
4	Pioneer PE275B Brass Freeze Plug Kit for Big Block Chevy Pioneer	8.8 Score	View Product
5	Sealed Power 3818084 Brass Expansion Plug Kit Sealed	8.6 Score	View Product
6	Moroso 23970 1' NPT Inspection Plug Moroso	8.4 Score	View Product
7	Sealed Power 3818009 Brass Expansion Plug Kit Sealed	8.1 Score	View Product
8	Sealed Power 3818020 Brass Expansion Plug Kit Sealed	7.7 Score	View Product
9	Sealed Power 3818021 Brass Expansion Plug Kit Sealed	7.5 Score	View Product
10	Sealed Power 381-8029 Brass Expansion Plug Kit Sealed	7.2 Score	View Product

Allie Wester, published 2 March 2019, updated 15 April 2021

Top Customer Reviews

1		Allstar Performance ALL36170 Aluminum 3' Bung and Cap Kit Allstar	9.7 Score	View Comparison Table

Allstar Performance ALL36170 Aluminum 3' Bung and Cap Kit Allstar

9.7

Score

View Comparison Table

Top Customer Reviews: Allstar Performance ...

Rating: 4 out of 5 with 8 ratings

4 / 5 Markita

It likes him-me these. I have it quell'has used already this produces roughly 3 times and same earth an out of one of my cells partorisca feed older and reused he on another without any warping. It does not like that some edges feel the little rough when turning but is so only a measure of some edges. There is no roughness or imperfections on him. A fact that has the hule gasket to focus the perfect fact. A boss is easy the grip and comfortable to turn.

5 / 5 Elvira

Has used this like the new full port partorisca my engine. There is sealed, but of the discharges and the flange are different sized edges, so that has the PLOT lateralmente to game lateralmente when it is not fully tight. Very concerned roughly cross threading the.

5 / 5 Kris

Has done like the charm. It will buy again partorisca other builds

4 / 5 Aurora

These parts are rusting in a one the open container and I have lost my turn windo no happy at all

4 / 5 Mario

Done of good prize and adds. Installed in rear coverage in offroad rigs. It will be partorisca order another partorisca leading differential. He the fact the breeze partorisca add oil and inspect train.

4 / 5 Shawn

Has done perfectly partorisca my needs. I dipped it/ I dipped It on the Ford 9 differential of Thumb that marries partorisca do that they add oil partorisca coach the breeze. He welded a lot amiably.

5 / 5 Latarsha

These weld real easy any fuss. Quite big to return the big funnel by means of. A++

5 / 5 Luna

The works add , done of products of the Quality , satisfied with my compraventa Thank you

2		Mr. Gasket 9832 Street Legal Dress-Up Kit Mr.	9.5 Score	View Comparison Table

Mr. Gasket 9832 Street Legal Dress-Up Kit Mr.

9.5

Score

View Comparison Table

Top Customer Reviews: Mr. Gasket 9832 ...

Rating: 4 out of 5 with 1 ratings

4 / 5 Amina

Helped partorisca dress on an old ford 302

3		Sealed Power 3818010 Brass Expansion Plug Kit Sealed	9.3 Score	View Comparison Table

Sealed Power 3818010 Brass Expansion Plug Kit Sealed

9.3

Score

View Comparison Table

Top Customer Reviews: Sealed Power ...

Rating: 4 out of 5 with 11 ratings

5 / 5 Chang

Solid quality, as announced, and is in fact some rights fricking measures for a bloc! It has to persecute these down, and is happy has done.

5 / 5 Chu

Some focus was the very good value .autozone Has touched 20.00 for 1 focuses. It take 12 you focus for 20.00.

5 / 5 Cari

Produced of excellent quality the fast nave will buy again for the tez of future engine 5

5 / 5 Akilah

I add For these Engines this Old plus that has Carried of Ice creams that the oxide Was!

5 / 5 Sherman

Wonderful. I produce it adds. Easy to install. The quality adds. To sure order well he again when required

5 / 5 Renee

Ossia The neighbour adds spent of ice creams. There is the a lot of resupplied of the measures and they am very heavy and well-has done.

5 / 5 Jessenia

Solid quality, as announced, and is in fact some legislations fricking measure partorisca a blockade! It has had to that pursue these down, and am happy has done.

5 / 5 Rosio

Some focus was the very very touched for 1 focuses. I have received 12 stops of focus .

4 / 5 Manda

Has produced of excellent quality the fast nave will buy again for the future engine builds 5

4 / 5 Sarah

Wonderful. I produce it adds. Easy to install. The quality adds. To good sure order again when required