JE Pistons ::::: JE Pistons 181944 23deg Flat Top

JE Pistons 181944 JE Pistons; 23deg Flat Top; Set of 8 Pistons; Recommended RingSet: J10008-4155-5

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:

• Comp Height: 1.425
• Comp Ratio @ 76cc: 10.2:1 / 9.6:1
• Bore: 4.155
• Rod: 5.85 / 5.7
• Stroke: 3.75 / 3.5
• Dome Volume: -5
• CID: 380 / 407
• Comp Ratio @ 64cc: 10.9:1 / 11.6:1
• Gram Weight: 472
• Oversize: 0.03
• Comp Ratio @ 58cc: 1.7:1 / 12.5:1
• Block Height: 9 / 9.025

Fitments:

• Chevrolet 400 Small Block (1970-1980)