H Beam 6.300" 2.250" .927" .890" Width Bronze Bush 4340 Connecting Rods The Speedmaster valve locks will

The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to their superior strength

Individually milled from super durable 6061 T6 aluminum billets

ensuring that your injectors never run dry

heat-treated for maximum strength

These Speedmaster aluminum crankshaft pulleys help to increase horsepower by reducing accessory drag

H Beam 6.300" 2.250" .927" .890" Width Bronze Bush 4340 Connecting Rods The Speedmaster valve locks willSpeedmaster H beam connecting rods are one of the strongest connecting rods available. These rods incorporate a special dowelled cap for specific cap to rod alignment and are profiled with extra clearance for stroker applications. Speedmaster H Beam Street Strip connecting rods are manufactured from aircraft quality 4340 Chromoly steel. The rods are x rayed and ultrasonically tested with all surfaces shot peened and stress relieved.