JE Pistons ::::: JE Pistons 242934 FE Flat Top Set of 8 Pistons

JE Pistons 242934 JE Pistons; 'FE' Flat Top; Set of 8 Pistons; Recommended RingSet: J100F8-4280-5

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 @ 88cc: 10.8:1
• Gram Weight: 518
• Block Height: 10.15
• Bore: 4.28
• CID: 489
• Stroke: 4.25
• Comp Ratio @ 72cc: 12.5:1
• Rod: 6.7
• Comp Height: 1.325
• Comp Ratio @ 74cc: 12.3:1
• Dome Volume: -5
• Oversize: 0.047

Fitments:

• Ford Fe-Series 428 Cobra Jet/428 Super Cobra Jet/428CI (1966-1970)
• Ford Fe-Series 427 Cammer/427CI (1963-1968)