JE Pistons ::::: JE Pistons 257540 Flat Top Set of 8 Pistons

JE Pistons 257540 JE Pistons; Flat Top; M ade to Order; Set of 8 Pistons; Recommended RingSet: J68008-3550-5

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:

• Block Height: 8.925
• Comp Ratio @ 42cc: 12.1:1
• Stroke: 3.543
• Bore: 3.552
• Comp Ratio @ 46cc: 11.5:1
• Dome Volume: -3
• Comp Height: 1.22
• Oversize: STD
• CID: 281
• Gram Weight: NEW
• Rod: 5.933
• Comp Ratio @ 52cc: 10.3:1

Fitments:

• Ford Mustang Mach I (2003-2004)
• Ford Mustang SVT Cobra (1999-2001)