All Balls Racing 86-90 Yamaha BW80 Crank Shaft Bearing Kit 2010-gmc-sierra-1500-wt-esi6556867 3" mandrel-bent 409 stainless steel

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

Includes heat shields on pipes

16 Clicks of Adjustability for up to +200% Damping

9 Nm at 6150 rpm were achieved under controlled conditions and with a weight saving of over 20% against the stock system

the end user can use their filter of choice

All Balls Racing 86-90 Yamaha BW80 Crank Shaft Bearing Kit 2010-gmc-sierra-1500-wt-esi6556867 3" mandrel-bent 409 stainless steelDouble 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