EngineQuest HS294NA LS Cylinder Head Stud Kit 1997-2003

The EngineQuest HS294NA is a complete cylinder head stud kit designed specifically for GM LS-series engines from 1997 to 2003. This precision-engineered stud kit provides superior clamping force and reliability compared to standard head bolts, making it ideal for stock replacements and performance applications.

Key Features:

• Constructed from high-strength Chrome Moly SCM 345 alloy material for exceptional durability
• Dacromet Silver coating provides superior corrosion resistance and prevents rust
• Tested to withstand clamping force loads up to 180,000 lbs
• Third-party lab tested in the USA to ensure material quality and performance
• Complete kit includes studs, washers, 12-point flange nuts, and torque lubricant
• Torque specifications: 11mm bolts - 35 lb-ft, 50 lb-ft, 70 lb-ft in sequence; 8mm - 23 lb-ft

This kit is compatible with LS1, LS6, and early LS-series engines including 4.8L, 5.3L, and 6.0L displacements used in applications from 1997 to 2003. Required tools include 3/8" and 9/16" sockets plus 1/8" and 3/16" Allen wrenches. For 2004 and later LS engines, see part number EQ-HS294NB.