SKU: 641-0750 | UPC: 672036016982
ARP 5/16-18 x 0.750 12pt Black Oxide Bolts for GM LS Engines 1997-2023
ARP 5/16-18 x 0.750 12pt black oxide bolts secure rocker arms on GM LS series engines found in Chevrolet Camaro Corvette and Silverado models from 1997 to 2023. These bolts deliver reliable clamping force for high-rpm operation in street and track builds. Engineered for precision fit and extreme durability they handle the demands of performance applications.
Key Features
- Thread and Length: 5/16-18 x 0.750 inch specs match OEM rocker shaft requirements on LS engines for direct replacement
- 12-Point Head: Provides secure grip during torquing prevents rounding and allows use of standard 1/2 inch 12pt sockets
- Black Oxide Finish: Shields against corrosion and lubricants in harsh engine bay conditions
- ARP 2000 Alloy: Forged construction yields 200,000 PSI tensile strength resists fatigue under boost and high compression
- Precision Machining: Rolled threads ensure even load distribution and repeatable torque values
Product Notes
- Use ARP Ultra-Torque lubricant for accurate torquing and reuse
- Inspect threads and holes before installation to avoid cross-threading
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Torque to 22 ft-lbs in a crisscross pattern following ARP instructions
- Compatible with stock aftermarket trunnion and shaft-mount rockers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | Base LS1 LS6 Z06 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS WS6 LS1 |
| 1998-2002 | Pontiac | Firebird | Formula Trans Am WS6 LS1 |
| 1999-2013 | Chevrolet | Silverado 1500 | 4.8L 5.3L 6.0L LS |
| 2004-2013 | Chevrolet | Corvette | LS6 LS2 Z06 |
| 2007-2013 | Chevrolet | Camaro | SS LS3 |
| 2009-2015 | Cadillac | CTS-V | LS3 LSA |
| 2010-2023 | Chevrolet | Camaro | SS L99 LS3 |
| 2014-2019 | Chevrolet | Corvette | Stingray LT1 Z06 LT4 |
Why Choose ARP?
- ARP fasteners power wins in NHRA Pro Stock and Top Fuel drag racing
- Every bolt undergoes rigorous testing for strength and consistency
- CNC machining guarantees tight tolerances for critical engine assemblies
Frequently Asked Questions
- Q: Which LS engines use these rocker bolts?
A: Fits all GM Gen III and Gen IV LS engines including LS1 LS2 LS3 LS7 L92 4.8L 5.3L 6.0L and 6.2L variants in Chevy GMC and Cadillac vehicles - Q: What material and strength rating?
A: Made from proprietary ARP 2000 chrome moly alloy with 200,000 PSI minimum tensile strength and 130,000 PSI yield strength - Q: What is the warranty and torque spec?
A: Lifetime warranty against breakage when properly installed ARP recommends 22 ft-lbs with moly or Ultra-Torque lube
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact poly bag in 4 x 2.5 x 0.5 inch box
- Weight: 0.05 lbs





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