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304 stainless tubing and flanges
HP4-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc
Premium Quality "Secure Seal" Material
CW05 counterweights are required when installing an XACT flywheel for various applications
RB846 is a high quality
BBK 88-95 GM Truck 4.3 5.0 5.7 Underdrive Pulley Kit - Lightweight CNC Billet Aluminum (3pc) (1603) 1664 304 stainless tubing and flangesInstall 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