Universal Automatic 3-4 Speed Shifter Only 616541 The Speedmaster high mount serpentine

The Speedmaster high mount serpentine kit for Chevy LS engines

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

Don't spend hours figuring out which pieces and parts you need to get what you want from your engine

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

not from sand molds

Universal Automatic 3-4 Speed Shifter Only 616541 The Speedmaster high mount serpentineSpeedmaster shifters designed to fit most 3 or 4 speed automatic transmissions. The shifters have stamped components to ensure smooth, accurate movements when shifting, and the reverse lockout mechanism eliminates the chance of transmission damage from accidentally shifting into reverse.