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The Speedmaster quick spool system is a pressure relief system for the Turbo 400
making them a great choice for your disc brake conversion
Speedmaster ring and pinion preload spacer
Speedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance
Suits: 1-149-004 and 1-149-005 Manifolds
1979-1993 Ford 5.0L Steel Serpentine 20% Underdrive Pulley Set Black The Speedmaster quick spool systemSpeedmaster underdrive pulley kits are built from aircraft quality material andcomputer machined. By reducing the speed of the accessories, these underdrive pulleys free up an average of 8 15 horsepower , while retaining full cooling and charging characteristics. Most kits can be bolted on in less than 30 minutes.
