Product Description
ARP 234-5608 LS Main Stud Kit | High Strength Main Cap Studs 8740 Chromoly
Fits 1997-2013 LS Engines 4.8 5.3 5.7 6.0 6.2 | 190,000 PSI Tensile Strength | Windage Tray Compatible
Upgrade your bottom end strength with the ARP 234-5608 High Performance Main Stud Kit, engineered for LS-based engines demanding superior durability and clamping force. Manufactured from premium 8740 chromoly steel and rated at an impressive 190,000 PSI tensile strength, these studs provide significantly improved main cap retention compared to factory bolts. Designed for precision and reliability, each stud is centerless-ground and thread-rolled to Mil-S-8879 specifications, ensuring consistent performance under extreme engine loads. This kit is fully compatible with factory windage trays and includes side bolts, making it an ideal solution for performance builds, boosted applications, and engine rebuilds where bottom-end stability is critical.
Key Features & Benefits
- 8740 Chromoly Construction: Manufactured from high-strength 8740 alloy steel for exceptional durability and resistance to fatigue under high-performance conditions.
- 190,000 PSI Tensile Strength: Provides superior clamping force compared to factory bolts, improving crankshaft stability and bearing life.
- Precision Manufacturing: Centerless-ground and thread-rolled to Mil-S-8879 specs for consistent fitment, torque accuracy, and long-term reliability.
- Complete Installation Kit: Includes hardened washers, high-strength hex nuts, and side bolts for a complete and secure main cap fastening solution.
- Windage Tray Compatible: Designed to work with factory windage trays for easy installation without sacrificing functionality.
Key Fitments
- Engine Compatibility: Fits 1997-2013 LS-based engines including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications.
- LS Engine Codes: LS1 LS2 LS3 LS6 L99 LSA L92 L9H L94 L76 L77 LY6 L96 LFA LZ1 LY5 LMG LMF LH6 LC9 LY2 L20 L33 LQ4 LQ9 LR4 LM7 L59 LS4 LH8 LH9
- Fitment Notes: Compatible with Gen III/LS series small block and GMPP LSX blocks. Works with factory windage trays. Windage tray not included.
