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NAPA Auto Parts GRANDVIEW
844 Grandview Ave
Columbus,  OH  43215-1124
(614) 488-3176
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Store Hours
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Mon-Fri:7:00 AM-6:00 PM
Sat:8:00 AM-4:00 PM
Sun:Closed
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Piston Set - Cast

Piston Set - Cast

Part #: SEP H581CP
Line: Sealed Power Engine Parts
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Features & Benefits

Warranty: Standard : No Warranty, Expressed or Implied

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Hypereutectic Piston (Set), High Performance Only


  • 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

Specifications

Circlip Quantity 2
Oversized No
Scuff Resistant Yes
Manufacturer Part Number H581CP
VMRS Code 045019005
Oil Ring Width 0.187 in
Ring Quantity 3
Weight 1.49 lbs
Assembly Lubricant Included No
Brand Sealed Power
Piston Head Design Dome
Piston Pin Incorporated Bearings No
Compression Distance 1.640 in
Bearing(s) Included No
Ring 2 Width 0.078 in
Cylinder Bore Diameter 4.250 in
Piston Material Cast Aluminum
SDS Required No
Ring 1 Width 0.078 in

Safety Information

Vehicle Fitment Guide

Product Reviews