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Speedmaster EFI intake manifolds make it simple to convert competition engines to electronic fuel injection
but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips
In today's higher rpm engines
These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications
1.160" Od. 7 Degree 8mm Chromoly Steel Valve Spring Retainers [LS Dual] Speedmaster EFI intake manifolds makeSpeedmaster chromoly steel retainers are made from 4140 chromoly and then heat treated for long life. These retainers are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.
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