Wiseco 4552M07800 Piston Kit - Standard Bore 77.95mm, 10.25:1 Compression exhaust-full-system-exhaust front sprockets are made with

front sprockets are made with C45 steel

2024 Polaris General 1000 Sport

Polaris Sportsman 500 HO 2011

Organic pads are OEM type replacement brake pads for 1970s and earlier models

2009 KTM 200 XC

Wiseco 4552M07800 Piston Kit - Standard Bore 77.95mm, 10.25:1 Compression exhaust-full-system-exhaust front sprockets are made withBore: 77. 95mm Compression: 10. 25: 1 Compression Sizing: Sizing Not Available SPECIFICATIONS. Displacement: 1219cc. Bore Standard: 77. 00mm. Bore Actual: 78. 00mm. Bore Oversize: 1. 00mm. Stroke: 63. 75mm. Compression Ratio Actual: 10. 25: 1. Note: Cylinder boring required. ITEM CONTENTS. 3071XG 78. 00 mm Ring Set. CW18 ROUND WIRE PIN LOCKS 18MM (PAIR). S278 PistonPin 18mm x 2. 472in. NonChromed TW All Wiseco Pistons are forged from high silicon, low