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Speed Pro | Plasma Moly Racing Rings
Designed to make more horsepower, and last longer. Top rings are made from virtually unbreakable, high strength ductile iron, with a plasma moly facing for instant seating and long life. Second rings are cylinder friendly cast iron, with an oil controlling taper face profile and an intentional open gap design that reduces inter-ring pressure buildup. Exclusive electro-polished, stainless steel SS50 oil rings prevent the high rpm deflection. Excellent oil control at the highest rpm.
Part Type: Piston Rings Set
Piston Ring Set Series: Plasma Moly Racing Rings
Application: Universal – 8 Cylinder
Bore Size (in): 4.165” + .005” (4.170”)
Bore Size (mm): N/A
Pre-Gapped: No
Drop-In: No
File Fit: Yes
Gapless: No
Top Ring Thickness: 1/16”
Top Ring Material: Ductile Iron
Top Ring Facing Material: Plasma-Moly
Second Ring Thickness: 1/16”
Second Ring Material: Cast Iron
Second Ring Facing Material: Cast Iron
Oil Ring Thickness: 3/16”
Oil Ring Tension: Low
Oil Ring Material: Stainless Steel
Manufacturer: Federal Mogul
Manufacturer's Part Number: R9346-45
Brand: Speed Pro
Weight: 2 lbs
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Set
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