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Motorbike HD Synth 20W-50 Street 1L is a premium full synthetic (or advanced synthetic blend) engine oil engineered specifically for large displacement air-cooled V-twins, cruisers, and heavy-duty motorcycles. The 20W-50 viscosity provides the thickest available oil film for maximum protection under extreme heat, heavy loads, and high-stress conditions.
Designed to meet the demanding requirements of Harley-Davidson, Indian, and other large V-twins, this oil delivers superior shear stability, reduced oil consumption, and exceptional wear protection – even in scorching temperatures.
Maximum V-Twin Protection – Formulated specifically for air-cooled V-twin engines with high cylinder head temperatures and high-pressure valve trains.
Full Synthetic Formula – Superior oxidation resistance, longer life, and better high-temperature stability than conventional 20W-50 oils.
Exceptional Shear Stability – Resists viscosity breakdown in shared engine/transmission (unit construction) systems.
Reduced Oil Consumption – Thick 20W-50 film helps control burn-off in high-heat engines.
Smooth Wet Clutch Performance – JASO MA/MA2 compliant – no clutch slippage, precise gear changes.
Anti-Wear Technology – Advanced ZDDP (zinc/phosphorus) additive package protects flat-tappet lifters, camshafts, and rocker arms – critical for Harley Evolution and Twin Cam engines.
Extreme Heat Tolerance – Performs flawlessly in desert, tropical, and stop-and-go summer traffic.
Deposit Control – Keeps piston rings, oil galleys, and valve train free from sludge and varnish.
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