Big Twin Transmission Oil is a multi-grade 4-stroke V-Twin transmission oil formulated for sliding contacts of gears in heavily loaded 4-stroke transmissions. It provides superior anti-wear, smooth shifting and reduces gear noise.

• Formulated for motorcycles with separate transmissions and or final drives
• Wear protection extends gear life
• Quiets gear whine and improves shifting
• For Big Twin, air cooled/liquid cooled transmissions and final drives
• API GL-5