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Engine Pro Performance Racing Rings 43M5596 Specifications
Int Exh: 285 285
Engine Pro Performance Harmonic Balancers PB1115ST Specifications
Int Exh: 289 299
Engine Pro Performance Ductile Plasma Moly Top Ring - Napier Second Ring 43M8594 Engine Pro Performance Racing RingsEngine Pro Performance Ductile Plasma Moly Top Ring Napier Second Ring 43M8594 Specifications Size: Std, . 005, . 035, . 045, . 065 Bore Size: 4. 5000, 4. 5050, 4. 5350, 4. 5450, 4. 5650 Sold in a Set of 8 Applies to: 1 16" 1 16" 3 16" Low Tension Description: All the features of our premium ductile series rings, plus the second ring is Napier profile design for superior durability and oil scraping ability. TOP RING: DUCTILE IRON, PLASMA MOLY Impact