K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B

HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine PROTECT YOUR ENGINE: Synthetic-blend filtration media removes most harmful contaminants EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils EASY TO REMOVE: Fast and easy Wrench-Off removal HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability NO-HASSLE WARRANTY: 1-Year Limited Warranty O/E replacement oil filters for most cars, trucks, SUV's, motorcycles, & ATV's 17 mm exposed nut designed for easy oil filter removal Heavy duty construction for extreme conditions Resin-impregnated filter media traps 99% of harmful contaminants Anti-drainback valve (where applicable) eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown