ARP 203-6301 Connecting Rod Bolt Kit Pro Series - ARP2000

The ARP 203-6301 is a complete connecting rod bolt kit featuring ARP2000 Pro Series fasteners designed to deliver superior strength and reliability in high-performance applications. ARP2000 alloy steel can be safely heat-treated to higher levels than standard chrome moly, producing tensile strengths up to 220,000 psi for increased clamping load capabilities.

Key Features:

• ARP2000 alloy steel construction with 220,000 psi tensile strength capability
• Forged in-house using premium quality materials
• Heat-treated using vertical racks for complete 360-degree penetration
• Threads rolled after heat-treat for up to 10 times longer fatigue life
• Precision CNC-machined to exacting tolerances
• ARP name stamped on each bolt for quality assurance

Wave-Loc Technology Benefits:

• Wave-Loc surface contacts rod and cap for optimum alignment and stress reduction
• Provides interference fit of .001 to .005 inches for all OEM connecting rods
• Superior material grain flow compared to knurled bolt designs
• Eliminates galling and scoring through smooth contact surface
• Accommodates wide range of factory rod bolt hole tolerances

ARP connecting rod bolts are the choice of top connecting rod manufacturers and racers worldwide. Designed specifically for short track and drag racing applications, ARP2000 provides an ideal upgrade from 8740 chrome moly in both steel and aluminum rods. For maximum service life, monitor bolt stretch and replace when permanently elongated by .0005 inches. Complete kit includes all necessary fasteners for proper installation.