Champion RCJ7Y Spark Plug (G620 / G450) $4.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: EE160 ABOUT THIS PRODUCT: Champion RCJ7Y Spark Plug (G620 / G450)AboutAboutSpark plug for Zenoah G620 and G450 engines. Champion RCJ7Y. Resistor plug, 14mm threads, 3/8" reach, Zenoah part # 3699-90032Stock part on the Zenoah G620PU