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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
For builders working with 2004 and later Chevy LS engines, the ARP 234-4345 Head Stud Kit is the gold standard in engine fastener technology. As engine outputs increase, the factory head bolts often struggle to maintain the necessary clamping force to keep the cylinder heads sealed. This ARP kit solves that problem by providing significantly higher tensile strength and consistent torque retention.
This kit is designed specifically for the updated LS block configurations found in 2004 and newer vehicles. By upgrading to these studs, you ensure that your engine can handle increased power levels without the risk of head gasket failure. The kit includes everything you need for a complete installation, including hardened washers and nuts that are designed to work in harmony with the studs. Ensure your engine build is bulletproof with high-quality components from GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | 234-4345 |
| GGC SKU | ARP234-4345 |
| UPC / GTIN | 672036047696 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 8.5 × 4.1 × 2.3 in |
|---|---|
| Shipping weight | 5.6 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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