ARP Head Bolt Kit 134-3610 — USA-made high-strength alloy steel, precision heat-treated set

ARP 134-3610 Head Bolt Kit is a high-strength, precision-engineered set of head fasteners designed for demanding engine and driveline applications.

This kit is part of ARP's long-established line of performance fasteners built for street, off-road, motorsport, and marine use. ARP manufactures a wide range of replacement and specialty hardware, and this head bolt set carries the brand's emphasis on consistent dimensions, controlled material properties, and reliable fitment. The kit ships from the United States and arrives in a compact package built to protect the components during storage and transport.

What materials and construction make this kit suitable for high-load engines?

ARP uses controlled-alloy steel and precision heat treatment to deliver consistent tensile strength and fatigue resistance compared with typical OE fasteners. Manufacturing tolerances and thread quality reduce variation during installation, which helps achieve predictable clamping forces.

• Premium alloy steel construction for greater tensile strength
• Precise heat treatment and machining for uniform dimensions
• High-quality thread finishes to minimize galling and ensure repeatable torque

How does this head bolt kit simplify installation and maintenance?

The kit is supplied with all necessary bolts and hardware in a single package to streamline engine work. Accurate thread and shank geometry means installers experience fewer surprises and can follow torque sequences more reliably, reducing rework time.

• Complete set of head fasteners in one package for convenience
• Consistent threads and lengths to fit specified head applications
• Compact packaging that protects components until installation

Which applications and engines is the ARP 134-3610 best suited for?

ARP supplies fasteners across street, performance, and racing sectors; this kit is intended for engines and driveline projects where stronger-than-stock head studs or bolts are desired. It is appropriate for rebuilds, performance upgrades, and motorsport-ready builds where reliable clamping is important.

• Street and high-performance automotive engines
• Off-road and powersport engines subject to vibration and high loads
• Motorsport and marine powerplants that require durable fasteners

What practical information should buyers know about packaging and origin?

The ARP 134-3610 ships in a compact protective box sized at roughly 3 × 7 × 7 inches and weighs about 3.0 pounds. The kit is produced in the United States, and ARP documents its part numbers for straightforward cross-referencing with engine specifications and service manuals.

• Package dimensions: 3 H x 7 L x 7 W inches for easy storage
• Package weight: approximately 3.0 pounds for shipping estimates
• Country of origin: United States, with ARP quality control standards

Who is this for: The ARP 134-3610 Head Bolt Kit is aimed at mechanics, tuners, and enthusiasts who want a reliable, precision fastener set for engine assembly or upgrades. If you're rebuilding an engine, prepping a race motor, or upgrading stock hardware for increased durability, this kit provides a grouped, ready-to-install solution from a recognized performance fastener manufacturer.