Speedmaster H Beam 6.760" 4340 Connecting Rods Mopar BB 440 w/ ARP 2000 Bolts

The Speedmaster H Beam 6.760" connecting rods (model 1-274-041) are precision-engineered 4340 steel components designed for Mopar Big Block 440 engine builds. These connecting rods deliver the strength and durability required for high-performance and racing applications where factory components may not withstand elevated horsepower and RPM demands.

Featuring ARP 2000 fasteners throughout, these rods offer superior clamping force and reliability during intense engine operation. The 4340 alloy steel construction provides excellent fatigue resistance, while the H-beam design optimizes strength-to-weight ratio for improved overall engine efficiency. With dimensions of 6.760" length, 2.375" big-end bore, and .990" small-end bore, these rods are purpose-built for Mopar BB 440 applications and represent a direct upgrade path for enthusiasts seeking to maximize engine performance and component longevity.

Key Features & Benefits

• 4340 Alloy Steel: Constructed from premium 4340 steel for superior strength and fatigue resistance in high-performance engine builds.
• H-Beam Design: Optimized beam geometry reduces weight while maintaining rigidity and load-carrying capacity.
• ARP 2000 Bolts: Fasteners provide enhanced clamping force and reliability under extreme engine stress.
• Mopar BB 440 Fitment: Engineered specifically for Mopar Big Block 440 engine platforms.
• Precision Machined: Manufactured to tight tolerances for consistent performance and fit across your engine build.

Specifications

Ideal Applications

• High-performance engine builds and upgrades
• Racing and competition engine applications
• Stroker and modified engine projects
• Replacement for stock Mopar 440 connecting rods