Enginetech R34048-STD Engine Cast Iron Piston Ring Set for Classic American Cars Engine Valve Guide Set There are two different designs

There are two different designs on the lower-left timing chain guide rail for 1998 BMW 4

Each component is engineered for a precise fit and reliable operation

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Enginetech R34048-STD Engine Cast Iron Piston Ring Set for Classic American Cars Engine Valve Guide Set There are two different designsEngine Cast Iron Piston Ring Complete Set Enginetech's R34048 STD engine cast iron piston ring set is designed for classic American muscle and vintage vehicles, ensuring reliable performance and durability. Crafted with precision, these piston rings feature consistent end gaps following SAE guidelines, providing an optimal seal for enhanced compression and oil control. The top and second compression rings are both 5 64 inches thick, while the oil ring