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The Mahle OE chrome top-ring set sized for a 3.4055 in bore includes chrome steel top rings with a 1.2 mm section and standard gap. It serves as a direct top-ring replacement in piston rebuilds where this bore and section are required. The overview stresses matching ring geometry to pistons to maintain proper sealing and function throughout the engine's operating cycle.
Mahle Rings 3.4055 X 1.2MM Chrome Steel Std Gap Top Ring Chrome Ring Set
