Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand confirm that your wheel travel

confirm that your wheel travel can be altered without causing clearance issues

divert and deflect up to 90% of the energy for road shock

Application Clutch Cover Head Type Socket Riding Style Street Base Color Silver Product Name Bolt Kit Finish Chrome Style Smooth Units Kit

stainless steel housing

00 mm Model Forged Series Type Top End

Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand confirm that your wheel travelFeatures Forged from high silicon alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Kit includes piston, rings, circlips and wrist pin Specs Displacement 397 cc Bore Size 86. 50 mm Bore Oversize +1,50 mm Bore Oversize +1. 50 mm Riding Style Off Road Units Kit Piston Material 4032 Aluminum Alloy Engine Type 2 Stroke Piston Diameter 86. 42 mm Stroke