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.
- Forged under 3，000 tons of force.
- Fully updated skirt profiles
- Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance， reduced bore clearances and enhanced ring sealing.
- SPEED-PRO POWERFORGED pistons are built to stringent specifications with a precision CNC-machined dome and skirts and microfinished ring grooves.
- The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.016mm (0.0006") per set.
- Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications
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