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)