SEALED POWER part description

Product Description

"Speed Pro" POWERFORGED Engine Piston

Application Summary

Performance

Features & Benefits

  • 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

Product Attributes

Bore (in) 4.352
Compression Distance 1.975
Dome Volume CC -27.8
Groove 1 Qty 2
Groove 1 Width 5/64
Groove 2 Qty 1
Groove 2 Width 3/16
Head Illustration 28
Head Type .156 x 3.610" Diameter Dish; Duroshield Skirt Coated Piston
Lock Ring N/R
Minimum Clearance .0025
Oversize (in.) 0.04
Part Material Powerforged®
Pin Diameter (in) 0.999
Pin Offset (in) 1
Pin Type P
Pin Weight Gram 223
Weight with Pin Gram 991
Weight without Pin Gram 768

Additional Information

Country of Origin (Primary) IN
Harmonized Tariff Code (HTS) 8409915085
Remanufactured Part N
UPC 00724956394852

Part Interchanges

Speed-Pro® is the go-to brand not only for racers and performance enthusiasts but also for those who are cruising down the road day in day out. With its engineering expertise, advanced technologies, and industry-leading manufacturing facilities and techniques, Speed-Pro sets the bar higher for other manufacturers of pistons, engine bearing parts, and performance engine components. The engine solutions from Speed-Pro are meticulously designed and crafted to boost horsepower production and make engine rebuild an easy feat. Since its establishment, this brand has continuously improved and refined its operations and quality control measures to maintain high quality standards and satisfy customers’ requirements and demands.

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