SKU: 234-3602 | UPC: 672036048969
ARP 2004+ Small Block Chevrolet Hex ARP2000 Head Bolt Kit
Secure your cylinder heads with this ARP head bolt kit designed for 2004 and later Small Block Chevrolet LS-series engines including LS2 LS3 L92 LS7 L76 L99 LS9 and LSA. Forged from ARP2000 alloy these bolts deliver 200000 PSI tensile strength far exceeding OEM for reliable clamping under high boost and RPM. Ideal for street performance race motors and engine rebuilds demanding consistent torque retention.
Key Features
- ARP2000 Alloy Construction: Forged steel bolts rated at 200000 PSI tensile strength resist stretching fatigue and failure in high-horsepower applications
- Hex Head Design: 1/2-inch hex heads allow easy installation with standard sockets or wrenches simplifying torque application
- Complete Bolt Set: Includes 16 long 11-inch under-head length bolts and 8 short 4-inch bolts plus hardened washers for both cylinder heads
- Precision Threads: 6mm rolled threads provide maximum grip in aluminum heads preventing pull-out during extreme conditions
- Black Oxide Finish: Resists corrosion and galling for long-term durability in oily engine environments
Product Notes
- Clean cylinder head and block threads thoroughly prior to installation
- Apply ARP Ultra-Torque lubricant to bolt threads and under washer faces
- Packed in protective carton for damage-free delivery
Installation Notes
- Professional installation recommended.
- Torque in three stages following ARP sequence: 35 ft-lbs 55 ft-lbs then 75 ft-lbs plus 110 degree turn
- Compatible with OEM heads. ARP studs available for even higher clamp load
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2013 | Chevrolet | Corvette | Base LS2 LS3 Z06 LS7 |
| 2010-2015 | Chevrolet | Camaro | SS LS3 |
| 2007-2009 | Chevrolet | Silverado 1500 | LTZ L92 |
| 2009-2013 | Chevrolet | Silverado 1500 | LTZ L9H 6.2L |
| 2007-2014 | GMC | Sierra 1500 | SLT L92 L9H |
| 2009-2014 | Cadillac | Escalade | Premium L92 L9H |
| 2006-2009 | Chevrolet | Corvette | Z06 LS7 |
| 2009-2015 | Cadillac | CTS-V | Base LSA |
Why Choose ARP?
- Used in NHRA Top Fuel and NASCAR for decades of proven reliability
- Every bolt exceeds aerospace standards for strength and fatigue resistance
- Made in USA with exacting tolerances for perfect fit and function
Frequently Asked Questions
- Q: Will this kit fit Gen III LS1 engines from 1997-2004?
A: No this kit fits Gen IV engines 2004+ with updated head bolt design. Use ARP 234-3601 for LS1 LS6. - Q: What material are the bolts made from?
A: Forged ARP2000 chrome moly alloy steel with 200000 PSI minimum tensile strength and heat-treated for maximum durability. - Q: What is the warranty and torque procedure?
A: ARP warrants against defects in materials and workmanship. Follow provided torque specs using ARP lube for accurate results.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure fiberboard box 13 x 9 x 2 inches
- Weight: 4.6 lbs





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