Speed-Pro delivers the power you need and the value & quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components.
- Exclusive higher-strength FM-425 alloy with 16.5 percent silicon finely dispersed throughout the material
- Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD coating.
- TAC ring groove geometry
- Weight matched to +/- 2 grams.
- Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications
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