SKU: 234-3726 | UPC: 672036048884
ARP Chevrolet Small Block LSA 12pt Head Bolt Kit for 2009-2015 Cadillac CTS-V & 2012-2015 Camaro ZL1
ARP 234-3726 head bolt kit upgrades factory fasteners in Chevrolet Small Block LSA 6.2L engines powering Cadillac CTS-V 2009-2015 and Camaro ZL1 2012-2015. These 12-point bolts deliver high clamping force for boosted applications and head gasket sealing under high pressure. Built for performance builds with reusability and strength beyond OEM.
Key Features
- Material: Forged ARP2000 alloy steel with 220,000 PSI tensile strength resists fatigue in high-boost setups
- 12-Point Design: Provides positive wrench grip to prevent rounding during repeated torquing
- Finish: Black oxide coating protects against rust and galling in engine environments
- Kit Contents: Includes 20 head bolts M11 x 1.5 and 20 hardened washers for complete installation
- Fitment: Matches LSA cylinder head bolt pattern and length for direct replacement
Product Notes
- Torque to ARP provided specifications for proper clamping load
- Apply ARP Ultra-Torque assembly lubricant on threads and under washer faces
- Package measures 10 x 6 x 2 inches for secure transit
Installation Notes
- Professional installation recommended.
- Chase block and head threads with ARP thread chaser tool before assembly
- Torque in three steps using sequence diagram in ARP instructions
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2015 | Cadillac | CTS | CTS-V |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
Why Choose ARP?
- 70+ years manufacturing fasteners for racing engines
- ARP2000 material exceeds OEM strength ratings
- Precision machining ensures consistent thread engagement
Frequently Asked Questions
- Q: Does this kit fit standard LS engines or only LSA?
A: Specific to LSA cylinder heads due to unique bolt hole pattern and length on GM 6.2L supercharged blocks. - Q: What thread pitch and size are the bolts?
A: M11 x 1.5 coarse thread with 180mm overall length tailored to LSA deck height. - Q: What warranty coverage is provided?
A: Limited lifetime warranty against defects in materials or workmanship when installed per ARP guidelines.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective box 10 x 6 x 2 inches
- Weight: 3.65 lbs
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