Why Upgrade to this ARP 134-3601 LS head bolt kit?

Factory LS bolts:

• Stretch when torqued (one-time use)
• Lose clamping force over time
• Don’t handle boost or high compression well

ARP Fixes That:

• Higher tensile strength for better sealing
• Reusable design (install it more than once without gambling)
• Consistent clamping force across the cylinder head
• Precision threads for accurate torque readings

Translation: your head gasket actually survives your bad decisions.

Today, ARP product line incorporates thousands of part numbers, and has expanded to incorporate nearly each and every fastener found in an engine and driveline. These vary from quality top performance OEM replacement parts to exotic specialty hardware for formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.

Vehicle Fitment (GM LS Applications)

The ARP 134-3601 kit is designed for GM LS-based engines, including:

Compatible Engines:

• 4.8L (LR4, LY2)
• 5.3L (LM7, LC9, LH6, LY5)
• 5.7L (LS1)
• 6.0L (LQ4, LQ9, LS2)
• 6.2L (LS3, L92, L99)

Found In:

• Silverado / Sierra
• Camaro (LS1, LS2, LS3)
• Corvette C5 / C6
• Tahoe / Yukon / Escalade

Ideal For:

• Engine rebuilds
• Cam + head upgrades
• Turbo / supercharged LS builds
• High compression NA setups

Get the most productive with ARP
When you wish to have robust, go with ARP

Key Features

• 12-point head design for precise torque application
• High-strength alloy steel construction
• Black oxide finish for corrosion resistance
• Reusable hardware (ditch torque-to-yield bolts forever)
• Complete kit for cylinder head installation

Performance Benefits

• Prevents head lift under boost or high cylinder pressure
• Maintains consistent gasket sealing
• Supports high horsepower LS builds
• Improves long-term engine reliability

No more coolant disappearing like it owes you money.

Precision merchandise for street, offroad, and Powersports applications

Installation Notes

• Use ARP thread lubricant for accurate torque
• Follow ARP torque specs exactly
• Install during:
  • Head gasket replacement
  • Engine rebuild
  • Performance upgrades

Why ARP 134-3601 LS head bolt kit?

Because when it comes to keeping your engine together:

• OEM = acceptable
• ARP = bulletproof (or at least as close as it gets)

Final Verdict

The ARP 134-3601 Head Bolt Kit is a foundational upgrade for any LS build pushing beyond stock performance.

Cheap insurance. Massive consequences if ignored. Pretty easy decision.