H Beam 6.300" 2.250" .927" .890" Width Bronze Bush 4340 Connecting Rods ULP and Premium FuelsAttention: Not

ULP and Premium FuelsAttention: Not for use on stock intake manifolds

Speedmaster DNA roller rockers are the toughest and most innovative rockers we've ever made

This Speedmaster 300M steel crank gear

Made of durable steel

best of all

H Beam 6.300" 2.250" .927" .890" Width Bronze Bush 4340 Connecting Rods ULP and Premium FuelsAttention: NotSpeedmaster 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.