JE Pistons 243331 JE Pistons; Dome; Gas Ported; Open Chamber; Oil Rail Support is Included; Set of 8 Pistons; Recommended RingSet: J77008-4600-5
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 Ratio @ 118cc: 14.8:1
- Stroke: 4.25
- Bore: 4.6
- Comp Ratio @ 124cc: 13.9:1
- Gram Weight: 590
- Oversize: 0.134
- Dome Volume: 46
- Comp Ratio @ 110cc: 16.3:1
- Comp Height: 1.12
- Rod: 6.535
- Block Height: 9.78
- CID: 565
Fitments:
- Chevrolet 502 Big Block Base (1985-2010)