V-Twin™ SAE 10W-40 Synthetic Primary Engine Oil, 1 Quart by Maxima Racing Oils®. Full synthetic, ester-based motorcycle gear oil formulated specifically for use in high performance V-Twin transmissions and primary chain cases. Surface-active, oxidatively stable formulation maintains excellent film thickness and viscosity stability across all operating temperatures for maximum chain and gear protection. Advanced formula ensures optimal clutch engagement, prevents slippage and minimizes wear.
