1988-1995 GM TRUCK 4.3/5.0/5.7L 3PC UNDER DRIVE PULLEY KIT (ALUMINUM)Install a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet

the SB023 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors

adjustable rod ends

1" Lowering- Stage 1

* Left-hand threads between the base and the body ensures that the shock/strut doesn’t come apart when adjusting the ride height

laser-cut steel plate

The lower control arms are made from DOM mild steel tubing with a chrome moly threaded tube adapter

Double-adjustable valving lets you fine-tune ride and handling

For compatibility with certain rear-ends

laser-cut stainless steel

The center adjuster is CNC-machined from chrome-moly steel with rolled threads for the ultimate in strength and durability

giving you a 20-pound weight reduction

Koni and factory struts