4.030" +030" 383 Flat Top Stroker Pistons, Small Block Chevy 350, -5cc, CH 1.425" Cast HYPERTEC, SBC & Holden 355 (3.750" x 5.700")

Speed-Pro H860CP Hypereutectic Pistons - 4.030" Flat Top 383 Stroker Pistons - Small Block Chevy 350 & Holden 355 (3.480" x 5.700")

If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps

Speed Pro H860CP Specifications: 

• Pistons Fits: Stroker Chevy 350 / 383 Stroker Pistons 
• Pistons Fits: Holden 355 Stroker 
• Suits Stroker Combinations: 
  • Chevy 350/383:  3.750" Crankshaft x 5.700" conrod
  • Holden 308/355: 3.480" Crankshaft  x 5.700" conrod
• Wrist Pin Size: 0.927
• Piston Bore Size:  4.030"
• Piston Compression Height: 1.425"
• Rod Length: 5.700”
• Piston Top: Dish -12cc
• Crankshaft Stroke: 3.750”
• Rings Size: 5/64"  5/64"  3/16"  
• Piston Rings included: NO
• Notes:  DurOshield coated piston skirt.