Description
Piston rings are the critical sealing interface between your pistons and cylinder walls—worn or substandard rings lead to blow-by, oil consumption, and lost compression. This Speed Pro file-fit kit delivers plasma moly coating for superior durability and heat resistance, essential for engines pushing higher RPM and boost levels. If you’re rebuilding an 8-cylinder engine or replacing rings on a performance build, precise fitment and material quality directly impact power delivery and engine longevity.
- Bore diameter: 4.185″
- Ring thickness: 1/16 x 1/16 x 3/16″
- Material: Plasma moly coated
- Fitment: 8-cylinder engines
- Type: File fit (requires honing)
- Tension: Standard
- Manufacturer: Speed Pro
- MPN: R1024865
- Kit quantity: 8 cylinders






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