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ARP 100-9904 PTFE Thread Sealer for Cylinder Head Bolts

Manufacturer

ARP

<h3>The Gold Standard in Performance Fasteners</h3> <p>When racing enthusiast Gary Holzapfel recognized that fastener failure was causing many engine breakdowns in 1968, he founded Automotive Racing Products (ARP) to solve a critical problem in motorsports. Drawing on his aerospace fastener manufacturing experience, Holzapfel created a company that would revolutionize the performance fastener industry. Today, ARP stands as the world's premier manufacturer of high-strength bolts, studs, nuts, and specialized hardware for racing and high-performance applications.</p> <p>ARP controls all aspects of the manufacturing process in-house, with all operations closely monitored, enabling the company to maintain its reputation for zero-defect quality. Every fastener undergoes forging, heat treatment, thread rolling, and precision finishing at ARP's Southern California facilities, which span over 115,000 square feet. This vertically integrated approach ensures that each component meets exacting standards for strength, fatigue resistance, and reliability under extreme conditions.</p> <h3>Engineered for Championship Performance</h3> <p>ARP's customer roster reads like a who's who of professional motorsports. The product line ranges from quality high-performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. The company's fasteners have secured victories in virtually every major racing championship worldwide, from Top Fuel dragsters to Formula One cars, proving their worth under the most demanding conditions imaginable.</p> <p>The brand's <a href="/48-arp-engine-cylinder-head-bolt-set-10306">engine cylinder head bolt sets</a> represent the cornerstone of ARP's catalog, offering engine builders the clamping force and reliability needed to prevent head gasket failure in high-boost and high-compression applications. These precision-engineered fasteners utilize proprietary materials and heat treatments that deliver up to ten times the fatigue strength of conventional bolts, making them essential for any serious performance build.</p> <p>For engine internals, ARP manufactures <a href="/48-arp-engine-connecting-rod-5276">connecting rods</a> designed to withstand extreme cylinder pressures and high RPM loads. Each rod is manufactured to aerospace standards with tight tolerances and superior material properties. Whether you're building a street performance engine or a full competition powerplant, ARP connecting rods provide the strength and consistency that professional engine builders demand.</p> <h3>Complete Fastener Solutions</h3> <p>Beyond engine components, ARP's product range extends throughout the entire vehicle. The company's <a href="/48-arp-wheel-lug-stud-7680">wheel lug studs</a> offer critical safety and performance benefits for racing and high-performance street applications, providing greater clamping force and durability than factory studs. ARP's product line contains thousands of part numbers and has expanded to include virtually every fastener found in an engine and driveline.</p> <p>Individual <a href="/48-arp-engine-cylinder-head-bolt-5308">engine cylinder head bolts</a> are also available for custom applications or specific replacement needs, manufactured to the same exacting standards as complete sets. This flexibility allows builders to source exactly what they need for specialized builds or repairs without compromising on quality.</p> <p>What sets ARP apart is not just the breadth of their catalog, but their willingness to develop custom solutions for unique applications. The company maintains complete R&D capabilities, including metallurgical research, product design, prototype machining, and extensive laboratory testing. This engineering expertise ensures that whether you're installing a simple head stud kit or building a record-setting race engine, ARP fasteners deliver the reliability and performance that professionals trust.</p>

Part Number

100-9904
07/13/2036 4:49 AM
Sale Price

$11.05

1 left at this price

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

ARP Thread Sealer is a premium PTFE-based thread sealant designed specifically for wet deck cylinder block applications to prevent coolant leakage past head bolt threads. This professional-grade sealer duplicates the recommended installation pre-loads associated with all ARP cylinder head bolts and studs, ensuring proper torque values and leak-free performance.

Key Features:

  • PTFE-based formula with rust and corrosion inhibitors
  • Effective temperature range: -30?F to 550?F
  • Seals up to 10,000 PSI pressure
  • Compatible with aluminum, steel, stainless steel, and plastic materials
  • Provides flexible, leak-proof seal against coolants, water, gasoline, oil, natural gas, and LPG
  • Designed for use with cylinder head bolts and studs

This versatile thread sealer can also be used on pipe plugs, pipe fittings, fuel line fittings, or any threaded connection requiring a reliable, flexible seal. ARP Thread Sealer is an essential component for engine builders and mechanics working with high-performance cylinder head installations.

Products specifications

Quantity

Sold individually.

Size

1.69oz

Volume

1.69 fluid oz.

The wrong part for my truck ,i order this part because on your website it said it was for my truck and is not the right one

Fast and easy, found answer to design problem on 3.5 eco boost

Great product, and delivery was on time with no issues. I do recommend.

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very good

One of my items that I ordered arrived in the wrong size. The customer service staff was absolutely fantastic. They sent me return lables and got my new item to me with no problem at all. I will be shopping here again.

Good

I received my order within a few days thank you for being so prompt

Product received as described. Fast shipping! I will definitely purchase from Autoplicity again.

Prices were good and the order shipped promptly. The email notice of shipment was a little late. It came after the order had arrived.

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Excellent products, fast shipping, everything your looking for, great place to shop for parts and accessories.

Autoplicity not only had the best price, but they also shipped quickly. A+ Seller

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