JE Pistons ::::: JE Pistons 221180 Inverted Dome FSR Forging

JE Pistons 221180 JE Pistons; Inverted Dome; FSR Forging; Oil Rail Support is Included; .927 Pin Diameter; Set of 8 Pistons; Recommended RingSet: J60008-4125-5

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 @ 72cc: 8.9:1
• Comp Ratio @ 64cc: 9.5:1
• Oversize: STD LS7
• Stroke: 4
• Gram Weight: 425
• Comp Ratio @ 66cc: 9.3:1
• CID: 427
• Dome Volume: -29
• Block Height: 9.24
• Bore: 4.125
• Comp Height: 1.115
• Rod: 6.125

Fitments:

• Cadillac CTS V (2004-2005)
• Chevrolet Camaro Z28 SS (1998-2002)
• Chevrolet Corvette Base (1997-2004)
• Chevrolet Corvette Z06 (2001-2004)
• Pontiac Firebird Formula (1998-2002)
• Pontiac GTO (2004)