All Balls Racing 86-90 Yamaha BW80 Crank Shaft Bearing Kit 2010-gmc-sierra-1500-wt-esi6556867 Dyno tested and produced significant

Dyno tested and produced significant power increases of +15Hp and +27 lbs

3" mandrel-bent 409 stainless steel tubing outflows the restrictive factory exhaust to deliver gains of up to +9 horsepower and +8 lbs

Ford decided to discontinue these tanks

Includes heat shields on pipes

Calibration Plug Set to Factory Fluid Level

All Balls Racing 86-90 Yamaha BW80 Crank Shaft Bearing Kit 2010-gmc-sierra-1500-wt-esi6556867 Dyno tested and produced significantDouble lip seals with PTFE contact area tolerate dry start conditions Double lip seals with PTFE contact area tolerate dry start conditions Koyo precision crank bearings Less journal wear