Chemicals & Fluids › 4T V-Twin Synthetic Lubricant Image 1 of 1 4T V-Twin Synthetic Lubricant $19.49 Recommended for the Harley Davidson Revolution, Twin Cam 88, Evolution XL, Evolution 1340, Pre-Evolution (20W/50 and 25W/60) and Buell enginesCertified warranty compliant: API SLCustom formulated for the v-twin air-cooled enginesReduces engine temperature and detonationHigh temperature film strength improving anti-wear protection Quantity: Purchase Added! Recommended for the Harley Davidson Revolution, Twin Cam 88, Evolution XL, Evolution 1340, Pre-Evolution (20W/50 and 25W/60) and Buell enginesCertified warranty compliant: API SLCustom formulated for the v-twin air-cooled enginesReduces engine temperature and detonationHigh temperature film strength improving anti-wear protection