JE Pistons 131685 Flat Top 1.040 Pin Diameter

JE Pistons 131685 JE Pistons; Flat Top; 1.040 Pin Diameter; Made to Order; Set of 8 Pistons; Recommended RingSet: J10008-4390-5

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:

• Stroke: 3.85
• Comp Ratio @ 94cc: 9.9:1
• Rod: 6.605
• Block Height: 10.3
• Comp Ratio @ 74cc: 12:1
• Dome Volume: -3
• CID: 466
• Comp Ratio @ 80cc: 11.3:1
• Gram Weight: 654
• Bore: 4.39
• Comp Height: 1.77
• Oversize: 0.03

Fitments:

• Ford 460 Big Block (1968-1997)