Made in the USA
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