• Drag part number: 0910-0939
• Manufacturer Number: KB909C-STD
• Pistons forged from 4032 aluminum alloy
• Offset pin design for quiet operation
• Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
• Piston pin lock rings available separately
• Replacement rings are also available separately

• Product Name: Piston Kit
• Piston Material: 4032 Aluminum Alloy
• Bore Size: 3.875"
• Bore - Oversize: Standard
• Bore Oversize: Standard
• Compression Ratio: 10.5:1
• Units: Kit
• Riding Style: Street

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