Chevy SBC Billet Aluminum Long Water Pump Lwp Dual Serpentine Pulley The Speedmaster TDS ring and

The Speedmaster TDS ring and pinion sets are engineered manufactured and tested for maximum performance

Ideally suited for use with Solid / Mechanical flat tappet and Hydraulic Roller Cams

These drives fit under your stock timing cover and come complete with instructions

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

Bearing wear is dramatically reduced and the fatigue strength is greatly improved

Chevy SBC Billet Aluminum Long Water Pump Lwp Dual Serpentine Pulley The Speedmaster TDS ring andSpeedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat treated to T 6 specs. These Speedmaster aluminum crankshaft pulleys help to increase horsepower by reducing accessory drag.