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.
• Wear protection extends gear life.
• Quiets gear whine and improves shifting.
• For Big Twin, air-cooled/liquid-cooled transmissions.