Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand Each rod end has female

Each rod end has female 5/16"-24 female thread

Color/Finish Black Product Name Backpack Base Color Black Material Polyester Riding Style Street Units Each Model Charger Material Nylon

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

Units Kit Type Wheel Mounting Position Front Left Riding Style ATV Product Name Bearing Mounting Position Front Right

Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand Each rod end has femaleFeatures 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