Thread Sealant
Delivers a flexible leak-proof seal in aluminum, steel, stainless steel and plastic against coolants, water, gasoline, natural gas and LPG
- PTFE based with rust & corrosion inhibitors
- Effective range: -30° to 550° F.
- Sealant range: 10,000 psi (pressure)
Learn why using thread sealant is so important in our tech article Fasteners Bolts Nuts Installation
Assembly Lube
Specifically designed to reduce tension preload scatter and eliminate the need to cycle high performance engine fasteners before final installation.
- Prevents Seizing
- Increased Wear Resistance
- No Metal
NOTE: This item cannot ship air, it is ground shipping only.
Learn why using assembly lube is so important in our tech article,Fasteners Bolts Nuts Installation
Great product
Rated
by Rusty on October 13, 2025
Summary: Bought to go with the ARP studs on my flat head V8. Sealer works great. No leaks.
Yes, I recommend this product.
I will buy these products again
Rated
by Pro one on July 01, 2025
Summary: The quality of both products is very good
Yes, I recommend this product.
Great product
Rated
by Jorge on January 15, 2025
Summary: I wouldn't use anything else on my motor builds
Yes, I recommend this product.
I would buy this product again
Rated
by Kt on November 01, 2024
Summary: This will work work good on my flathead head studs. Looks like it will seal the studs from leaking coolant and lube the threads for proper torque.
Yes, I recommend this product.
Best bolt lube there is
Rated
by Marbler on February 04, 2024
Summary: I use this on almost all head bolts
Yes, I recommend this product.
Tech Support
We're here to help before and after your purchase. If you have a question or need assistance
with one of our products, please contact us through eBay Messaging and a knowledgeable
Speedway Motors team member will be happy to help.
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 74 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.