ARP Head Bolt Kit, Suit - Chevrolet LS Gen III LS Series (2004 & later) 134-3710
ARP LS Head Bolt Kit

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Head Bolt Kit
Chevrolet LS Gen III LS Series small block (2004 & later - except LS9) w/ all same length bolts, 8740, 12pt
Kit 134-3710
8740 Chrome Moly: Until the development of today’s modern alloys, chrome moly was popularly considered a high strength material. Now viewed as only moderate strength, 8740 chrome moly is seen as a good tough steel, with adequate fatigue properties for most racing applications, but only if the threads are rolled after heat-treatment, as is the standard ARP production practice. Typically, chrome moly is classified as a quench and temper steel, that can be heat-treated to deliver tensile strengths between 180,000 and 210,000 psi.
| Product Name | ARP Head Bolt Kit, Suit - Chevrolet LS Gen III LS Series (2004 & later) 134-3710 |
|---|---|
| Brands | ARP |
| Engine | 6.0L V8, Chev LS7, Chev LS 5.3L (15° Heads), Chev LS (15° Heads), Chev LT1, GM / LS, LS 5.7L, LS 5.7L and 6.0L V8 |
| Make | Chevrolet, GM, Holden, LS Chev |
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What is the difference between ARP2000, L19 and CA625+?
ARP2000 suits most high-performance builds. L19 offers higher strength but is sensitive to handling and corrosion. CA625+ is used for extreme cylinder pressure or rpm.
Why is ARP lubricant important?
ARP torque values assume Ultra-Torque lubricant on threads and under the head. Without it, clamp load becomes unpredictable.
What engines are compatible with the ARP Head Bolt Kit 134-3710?
The ARP Head Bolt Kit 134-3710 is designed for use with Chevrolet LS Gen III LS Series engines from 2004 and later, excluding the LS9. This includes various configurations such as the 5.3L, 5.7L, 6.0L V8, LS7, and LT1 engines.
What material is used in the ARP Head Bolt Kit 134-3710?
This head bolt kit is made from 8740 chrome moly steel, which is known for its moderate strength and good fatigue properties. It is heat-treated to achieve tensile strengths between 180,000 and 210,000 psi, making it suitable for most racing applications.
Are the bolts in the ARP Head Bolt Kit 134-3710 all the same length?
Yes, the ARP Head Bolt Kit 134-3710 features all bolts of the same length, which simplifies installation and ensures even clamping force across the cylinder head.
What is the recommended torque specification for the ARP Head Bolt Kit 134-3710?
For the ARP Head Bolt Kit 134-3710, it is crucial to follow ARP's latest torque specifications. Generally, you should use ARP Ultra-Torque lubricant and follow their recommended torque sequence to ensure proper clamping and prevent head gasket failure.
Can I reuse the ARP bolts from the 134-3710 kit?
ARP recommends against reusing head bolts as they can lose their clamping force after being torqued. For optimal performance and reliability, it's best to use new bolts whenever the cylinder head is removed.