JE Pistons ::::: JE Pistons 243330 Dome Gas Ported Open Chamber Set of 8 Pistons

JE Pistons 243330 JE Pistons; Dome; Gas Ported; Open Chamber; Oil Rail Support is Included; Set of 8 Pistons; Recommended RingSet: J77008-4560-5

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:

• Bore: 4.56
• Dome Volume: 46
• Oversize: 0.094
• CID: 555
• Comp Ratio @ 124cc: 13.7:1
• Comp Ratio @ 110cc: 16:1
• Block Height: 9.78
• Comp Height: 1.12
• Stroke: 4.25
• Comp Ratio @ 118cc: 14.6:1
• Gram Weight: 574
• Rod: 6.535

Fitments:

• Chevrolet 502 Big Block Base (1985-2010)