Features:

• Cast with FM132 Eutectic Proprietary Alloy
• Performance & Dependability of Original Equipment Pistons
• High-Quality Aluminum
• Utilizes ISO & QS Certified Manufacturing
• Meets or Exceeds OEM Specifications
  
  Technical Specs:
• Material: Cast Aluminum
• Bore: 4.040' (102.616mm)
• Piston Top: Recessed Head w/2 Valve Reliefs, 0.145" Deep x 3.000" Diameter - 7.9:1 Compression Ratio
• Compression Height: 1.630"
• Compression Ring Groove: 5/64"
• Second Ring Groove: 5/64"
• Oil Ring Groove Width: 3/16"
• Full Length: N/A
• Pin Size: 0.9751" O.D. (24.768mm)
• Pin Type: N/A
• Pin Offset: 0.06" (1.524mm)
• Skirt Type: N/A
• Piston Skirt Clearance: N/A
• Notes: Use Piston Ring p/n 844-E251X40 Standard Set; p/n 844-E251K40 Premium Moly Set; p/n 844-E251KC40 Premium Chrome Set (Rings Not Included)