4.020" +.020 Flat Top Pistons SBC 357 / 350 Small Block Chevy, -12cc, CH 1.548" CAST HYPEREUTECTIC HYPERTEC

Speed-Pro Hypereutectic Pistons - 4.020 Flat Top Pistons - Small Block Chevy 350

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

Suits: 

• Chevy 350 Pistons
• Piston Top: Flat Top -6.9cc
• Piston Valve Reliefs: 4 reliefs
• Wrist Pin Size: 0.927
• Piston Bore Size:  4.020"
• Piston Compression Height: 1.548"
• Rod Length: 5.700”
• Crankshaft Stroke: 3.480” - Stock Stroke.
• Rings Size: 5/64"  5/64"  3/16"  
• Piston Rings included: NO
• Piston Gudgeon Pins Included: YES
• Piston pin locks included: NO - need wire lockS .073" thick - #P927-072-WL
• Piston locks not requied if using press fit gudgeon pin style (OEM)
• Notes:  DurOshield® coated piston skirt. These pistons can be free floated but locks must be purchased separately.