SKU: 234-4346 | UPC: 672036047702
ARP Chevrolet LSA 12pt Head Stud Kit for 2009-2015 Cadillac CTS-V and 2012-2015 Camaro ZL1
ARP 234-4346 head stud kit equips LSA 6.2L supercharged engines with high-strength fasteners for dependable cylinder head clamping. Designed for 2009-2015 Cadillac CTS-V and 2012-2015 Chevrolet Camaro ZL1 this kit uses 8740 chromoly steel studs rated at 190,000 PSI tensile strength. It ensures even load distribution to handle boosted power levels in street and track use.
Key Features
- 8740 Chromoly Construction: Heat-treated steel provides 190,000 PSI strength for extreme boost and cylinder pressures
- Stud Design: Minimizes block thread damage while delivering repeatable torque values across heat cycles
- Precision-Rolled Threads: Enhances thread engagement for accurate clamping without galling
- 12-Point Nuts and Hardened Washers: Included matched hardware simplifies installation and secures even load
- Pro Series Engineering: Built for high-horsepower LSA applications in drag racing and daily driving
Product Notes
- MPN 234-4346 from ARP ensures OEM-level fit with performance gains
- Inspect head gasket surface before install for flatness within 0.004 inches
- Ships in protective ARP packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Clean cylinder block threads thoroughly and apply ARP Ultra-Torque lubricant
- Torque to ARP specs in sequence: 70 ft-lbs initial then 110 ft-lbs final with moly lube
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2015 | Cadillac | CTS | V |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
Why Choose ARP?
- Decades of motorsport use in NHRA and NASCAR builds
- 8740 alloy steel exceeds factory bolt strength by 25 percent
- CAD-designed for exact LSA head alignment and load paths
Frequently Asked Questions
- Q: Does this kit fit all LSA engines in CTS-V and ZL1?
A: Yes ARP 234-4346 matches 2009-2015 Cadillac CTS-V sedan and 2012-2015 Camaro ZL1 exactly with no modifications - Q: What material are the studs made from?
A: Forged 8740 chromoly steel heat-treated to 190,000 PSI with rolled threads for fatigue resistance - Q: What is the ARP warranty?
A: Limited lifetime warranty against manufacturing defects when installed per ARP guidelines
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure ARP box 2.5 x 10 x 10 inches
- Weight: 5.1 lbs





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