Description: Versatile Compatibility: The L7T spark plug is designed to fit 36cc 43cc 47cc 49cc 52cc two stroke small engines, making it ideal for chainsaws, trimmer, blowers, and lawn mowersAccurate Specifications: Featuring a thread length of 0.37 inches (9.5 mm), thread diameter of 0.55 inches (14 mm), hex size of 0.75 inches (19 mm), and gap size of 0.028 inches (0.7 mm), this spark plug ensures optimal performance for your equipmentReliable Replacement: This spark plug serves as a good replacement for BPMR7A BPM7A BM6A and RCJ6Y RCJ7Y models among others, ensuring compatibility with various engine types while maintaining high performance standardsAlloy Construction: Made from alloy material, the L7T spark plug offers durability and longevity, providing consistent ignition performance in demanding conditionsComprehensive Package: Each purchase includes a set of five spark plug with dimensions of2.09inchx0.75inch each, ensuring you have spares on hand for future maintenance needs or multiple engine applications Specification: 5.3cmx1.9cm/2.09inchx0.75inch Package Includes: 5 Spark Plug Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.