Speedmaster 1-290-006 Fits Ford SB 289 302 Windsor 3.400" 347 Ci Rotating Assembly Kit - SuperStreet Series

Speedmaster superstreet series rotating assemblies offer the perfect balance of strength, performance, reliability. They include a Speedmaster cast steel crankshaft, Speedmaster H-beam 4340 connecting rods with ARP bolts, Speedmaster hypereutectic pistons, Speedmaster rings and 'King Bearings' Main & Connecting Rod Bearings. Speedmaster superstreet series rotating assemblies are the perfect choice for engines up to 500 hp and 1500-6500 RPM.

• Provide industry-leading fit, finish, and durability.
• Designed for performance enthusiasts wanting to get the most out of their engines