Rear Position Specific: Designed for the rear cylinder position in multi-cylinder engines, ensuring correct porting and mounting. Complete Assembly: Includes the cylinder block and often integrated components, providing a ready-to-install core for engine service. Precise Fit: Engineered to exact specifications for proper alignment with the crankshaft, head, and adjacent cylinders. Robust Structure: Forms a durable section of the engine block, built to withstand combustion forces and ., Manufacturer: qiye55521