Speed-Pro delivers the power you need and the value and 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
Product Features:- TAC ring groove geometry
- Weight matched to +/- 2 grams
- Piston skirts protected by next-gen DUROSHIELD coating
- Exclusive higher-strength FM-425 alloy with 16.5% silicon finely dispersed throughout the material
- Sophisticated barrel profiles help optimize oil wedge between skirt and wall
- Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications