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SKU: 234-4339 | UPC: 672036043162
ARP Cylinder Head Stud Kit for SB Chevy LS-RHS Block Black w/RHS LS7 Head
This ARP Pro Series cylinder head stud kit fits Small Block Chevy LS-RHS blocks equipped with RHS LS7 cylinder heads. ARP2000 alloy studs provide 220,000 PSI tensile strength for secure clamping in high-horsepower racing engines. Precision manufacturing ensures head gaskets stay sealed under extreme boost and RPM.
Key Features
- ARP2000 Alloy: Rated at 220,000 PSI tensile strength far exceeding aircraft steel for handling maximum cylinder pressures
- Precision Heat Treatment: Vertically racked and treated to 220,000 PSI for complete penetration and uniform strength throughout each stud
- Centerless Ground: Ensures concentricity and straightness so cylinder heads and gaskets align perfectly without binding
- Post-Heat Treat Thread Rolling: Delivers 2000% greater fatigue resistance compared to pre-heat treat threading
- Undercut Stud Design: Equalizes stretch across all studs for consistent clamping force that compensates for head gasket compression
Product Notes
- Includes 12-point black oxide nuts for secure fastening
- Use ARP Ultra-Torque fastener lubricant during installation for accurate torque readings
- Made in USA with ARP stamp on each stud for authenticity
Installation Notes
- Professional installation recommended.
- Clean and chase block threads with ARP thread chaser before assembly
- Torque in sequence per ARP instructions. kit includes studs for intake and exhaust sides
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Custom Build | Chevrolet | LS-RHS Block | w/ RHS LS7 Head |
Why Choose ARP?
- Choice of nearly every top professional engine builder in drag racing and circle track
- Premium alloys like ARP2000 heat-treated beyond standard 8740 for real-world durability
- Exacting tolerances from centerless grinding and post-heat thread rolling for flawless fit
Frequently Asked Questions
-
Q: Does this kit fit standard OEM LS blocks or heads?
A: Designed exclusively for RHS LS-RHS blocks with RHS LS7 cylinder heads. not compatible with production GM LS engines -
Q: What finish and nut style are included?
A: Black oxide finish on ARP2000 studs and 12-point black oxide nuts for corrosion resistance and high-torque wrenching -
Q: What warranty coverage applies?
A: Lifetime warranty against manufacturing defects when installed with ARP lube and torqued to specifications
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure ARP box
- Weight: 2.2 lbs
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ARP
ARP (Automotive Racing Products) is the world’s premier manufacturer of high-strength engine and driveline fasteners—head studs and bolts, main studs, rod bolts, and more—engineered and manufactured in-house from start to finish for race-proven reliability. With vertically integrated processes that include cold heading, machining, heat-treating, thread rolling after heat treat, and rigorous QA, ARP maintains aerospace-level certifications (ISO 9001 and AS9100) and validates every part for repeatable clamp load and fatigue resistance. Signature alloys such as 8740 chromoly, ARP2000, L19, and Custom Age 625+ deliver ultimate tensile strengths up to the super-alloy range, while ARP Ultra-Torque fastener assembly lubricant helps achieve consistent pre-load during installation. From street performance builds to professional motorsport programs, ARP fasteners provide precise fitment, superior metallurgy, and the durability needed to keep engines together at elevated cylinder pressures and...
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