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Hurricane Forged 4340 Steel Connecting Rods Available Stock List

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With many years experience of designing, developing , engineering and manufacturing in the connecting rods fields, Hurricane has ability to handle different customers needs on connecting rods designs . Except connecting rods shoulder and small end, Hurricane also can build various connecting rods beam style . 

Hurricane High Performance connecting rods - Process of machining rods

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Hurricane Connecting Rod Bolt Information

  • Author:illan zhang
  • Source:hurricanerods.com
  • Release on:2017-11-10
Bolt connect rods with caps. Besides rods self, choose right bolt is also very important. All of our Hurricane H-beam, X-beam and I- beam connecting rods use ARP bolts or Hurricane bolt designed specifically for the rod they are installed in. Underhead length, thread length, undercut diameter and length, and shank length all play an important role in the dimensional stability of the bearing housing.

If you need replacement connecting rod bolts, they can be purchased direct from Hurricane, ARP or through any of our dealers at very affordable prices. We strongly recommend using the correct bolts that we have designed for our rods when doing bolt replacement maintenance. Using the wrong bolt is risking failure due to incorrect clamping load or thread engagement.

Use of any other type of lube requires using the bolt stretch method for proper installation. 

1. Hurricane Bolt

Hurricane 5/16-1.500” bolt    45N*m, application: H beam Fiat Punto 1.4L T-Jet forged 4340 steel connecting rod
Hurricane 3/8 -1.600” bolt   75N*m application: Audi/VW 1.8T Connecting Rods 144x20mm length
Hurricane 7/16-1.600” bolt    95N*m application: Nissan TB48 High Performance I Beam Con rods - Hurricane Speed&Performance

2. ARP bolt



Compared Hurricane bolt and ARP bolt
 ARP8740 bolt  180,000PSI(YIELD STRENGTH)  200,000PSI(TENSILE STRENGTH)
 HURRICANE BOLTS    210,000PSI(TENSILE STRENGTH)
 ARP 2000 bolt  200,000PSI(YIELD STRENGTH)  220,000PSI(TENSILE STRENGTH)
 ARP L19 bolt  220-230,000PSI(YIELD STRENGTH)  260,000PSI(TENSILE STRENGTH)
 CUSTOM AGE 625+ bolt  235-255,000PSI(YIELD STRENGTH)  260,000 PSI(TENSILE STRENGTH)

How to choose bolt?

1. ARP8740 Bolts
This is ARP’S lowest price bolt, while still being much stronger than a stanard 8 bolt, it it primarily used in lesser applications. It has a 180,000# strength



2. Hurricane Bolt
This is a bolt using for performance rods with competitive price, 3USD/piece. And strong between ARP 8740 bolts and ARP2000 bolt. It has 210,000# strength



3. ARP2000 Bolt
This is standard in most of our forged rods. Very good quality and has a 220,000# strength



4. ARPL19 Bolt
Used mostly as a bolt upgeade in forged rods. Used in high stress applications and has a 260,000# strength.

5. ARP Custom Age 625 Bolt
Used as an upgrade in performance, especially custom rods. They are very expensive. However, it is a must for the most extreme applications and has a 280,000# strength.

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