Description

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

• 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

JE Pistons are sold as matched sets

Specs

• Block Height: 9.24
• Bore: 4.005
• CID: 403
• Comp Height: 1.115
• Comp Ratio @ 64cc: 11.6:1
• Comp Ratio @ 66cc: 11.3:1
• Comp Ratio @ 72cc: 10.6:1
• Dome Volume: -5
• Gram Weight: 402
• Oversize: 0.005
• Rod: 6.125
• Stroke: 4.00