JE Pistons ::::: JE Pistons 207421 Flat Top

JE Pistons 207421 JE Pistons; Flat Top; Set of 8 Pistons; Recommended RingSet: J100F8-4070-5

JE Pistons - Domestic: For over 60 years, JE Pistons has been the industry leader in forged racing pistons for Chevy, Ford, Mopar and Buick engines.

Features:

• Application Specific Forgings for an Optimized, Uniform Crown Thickness
• Contact Reduction Groove to Minimize Frictional Drag
• Accumulator Groove for Increased Top Ring Stability and Sealing
• CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
• Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included

Specifications:

• Dome Volume: -6.8
• Gram Weight: 489
• Rod: 6.125
• Block Height: 9.585
• Comp Height: 1.46
• Bore: 4.07
• CID: 416
• Stroke: 4
• Comp Ratio @ 60cc: 12.3:1
• Comp Ratio @ 65cc: 11.6:1
• Comp Ratio @ 70cc: 10.9:1
• Oversize: 0.03

Fitments:

• Chrysler 340 Small Block (1968-1973)