12 Point 7/16" 8640-8740 Connecting Rod Bolts (16 Pcs) If your standard Bowtie block

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

To ensure optimal performance

They're made of thick steel for reduced flex and are chrome plated for that show-car look

horse power increase of 10-15

extending the life of the crankshaft and bearings for enhanced power and torque

12 Point 7/16" 8640-8740 Connecting Rod Bolts (16 Pcs) If your standard Bowtie blockSpeedmaster connecting rod bolts are precision CNC machined to exacting specifications and designed for optimum reliability. They are heat treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high combustion engines.