LS Truck Manual Belt Tensioner w/ Pulley LSX 4.8L 5.3L 6.0L Silverado Billet

Billet Manual Belt Tensioner

Replaces stock tensioner, allows you to add more tension to the belt than the stock tensioner, & allows for greater range of belt length fitment.
Has a 1/2" drive hole in the rear of the front bracket to tighten belt.
OEM length belt can be used
Compatible with: LS series Truck/SUV water pumps (any year)
Compatible with: Truck/SUV crank pulley (12634105)
Made in Wichita, Kansas from aerospace grade, USA poroduced billet aluminum
Includes: belt tensioner w/ pulley and mounting hardware

LS3 water pump (Camaro or Corvette) will require 551617x-1