Piston Specifications:

• Block: Ford Barra 4.0L Turbo
• Bore: 3.642
• Stroke: 3.910
• Rod: 6.058
• Comp Heigh: 1.215"
• Weight: N/A
• Pin: .866 x 2.500"
• CC's: Dish Top -4.0
• Comp Ratio With 70cc Head: 9.6
• Ring Set: 09533642

Piston Features:

• 3D milling on piston crowns for ready to install finish
• Offset pins forquiet operation
• Moly skirt coating for friction loss and skirt wear protection
• Side gas ports for better ring seal
• Ratios figured for 94mm x .040 head gasket @ 9.228 Deck Height
• Top ring down dimension: .280"
• Premium 8620 .180W wrist pins chamfered forroundwire locks included
• Premium 1.0mmx 1.2mm x 2.8mm ring package included
• Oversized valve pockets - for larger than stock valve sizes
• Valve pocket depth: 0.122" intake and 0.000" exhaust
• 2618 material for High HP/Boost applications