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ARP 200-6209 Connecting Rod Bolt Kit ARP2000 Pro Series 8-Piece

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

200-6209
07/13/2036 7:49 AM
Sale Price

$83.62

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 200-6209 is a high-performance connecting rod bolt kit featuring ARP2000 Pro Series material, designed as a general replacement solution for steel connecting rods. This 8-piece kit delivers the superior strength and reliability that has made ARP the preferred choice of connecting rod manufacturers and racers worldwide.

Why ARP Rod Bolts Are Superior:

The connecting rod bolt has always been the weak link in any connecting rod assembly. ARP rod bolts are engineered to deliver up to ten times the fatigue strength of competing fasteners, making them the gold standard for high-performance and racing applications. Each bolt is proudly stamped with the ARP name as your assurance of quality and reliability.

ARP2000 Material Advantages:

ARP2000 is an advanced alloy steel capable of achieving clamping loads at 220,000 psi, offering significantly greater strength than traditional 8740 chrome moly. This material is widely used in short track and drag racing as an upgrade in both steel and aluminum connecting rods, providing improved reliability without the extreme cost of exotic super-alloys. When properly installed, ARP2000 resists stress corrosion and hydrogen embrittlement.

Key Features:

  • Forged in-house at ARP using only the finest quality materials
  • Heat-treated using special vertical racks to assure complete 360-degree penetration
  • Threads rolled after heat-treat to provide up to 10-times longer fatigue strength
  • Precision CNC-machined to exacting specifications
  • Specially designed for optimum reliability in steel rod applications

Wave-Loc Technology Benefits:

  • Wave-Loc surface contacts the rod and cap for optimum alignment and reduction of fluctuating stress
  • Provides snug interference fit (.001 to .005) for all OEM connecting rods despite wide factory tolerances
  • Superior material grain flow compared to knurled bolts that create stress risers
  • Eliminates galling and scoring through smooth contact surfaces
  • Strengthens the connecting rod itself by improving load distribution

Important Maintenance Note:

It is critically important to monitor the stretch of each bolt and replace it when it has permanently elongated by .0005 inch. Regular inspection ensures continued reliability and safety in high-performance applications.

What's Included:

8 ARP2000 Pro Series connecting rod bolts

Products specifications

Cap Retention Style

Cap screw

Connecting Rod Bolt Diameter

3/8 in.

Connecting Rod Bolt Material

ARP 2000 alloy

Connecting Rod Manufacturer

General replacement

Fastener Yield Strength (psi)

200,000 psi

Notes

General replacement. Customer must verify fitment with ARP.

Nuts Included

No

Quantity

Sold as a set of 8.

Rod Bolt Head Style

E

Rod Bolt Nut Style

12-point

Socket

7/16

Thread

3/8

UHL

1.6in

Underhead Length (in)

1.600 in.

A

Quick delivery, great product

Great

Super quick and easy.

Quick and easy transaction and arrived sooner than expected. Packaging was more than adequate to protect the item ordered.

Super quick shipping, cheapest price for brand name product, and $5 for writing review! So far I really like this company!

Thanks!!!

good price, prompt delivery. no complaints.

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By far the best price, easy ordering, and fast service, what else is there?

Great prices, great service, fast shipping!

Great price and super fast shipping!!<br>Will be back!!!

I placed an order for Race Ramps and not only were they the best price I could find, but the shipping time was excellent as well!

Very fast shipping! I got an email saying it was shipping 2 days after I placed my order, when I checked the tracking it was already delivered to my house! Will shop again.

Placed order on Wednesday and item was shipped on Friday, could not of asked for faster service. <br>

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