JE Pistons ::::: JE Pistons 243326 Dome Gas Ported Open Chamber Set of 8 Pistons

JE Pistons 243326 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:

• Rod: 6.535
• Bore: 4.56
• CID: 571
• Comp Ratio @ 118cc: 14.5:1
• Stroke: 4.375
• Comp Ratio @ 110cc: 15.9:1
• Dome Volume: 43
• Block Height: 9.78
• Comp Height: 1.06
• Comp Ratio @ 124cc: 13.2:1
• Gram Weight: 547
• Oversize: 0.094

Fitments:

• Chevrolet 502 Big Block Base (1985-2010)