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The 77-303-1 spark plug by Oregon provides optimum performance for single cylinder and V-Twin Over Head Valve engines.
Used on Vanguard and professional 4 cycle engines and many other engines, this spark plug ensures proper fit and performance to maintain the life of your engine.
• Trouble-free ignition.
• Easy start even in cold weather conditions.
• This part ensures proper fit and performance to maintain the life of your equipment.
• ISO/TS 16949:2002
(Replaces NGK's BCPR5ES)
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