Ford Barra 4.0L Turbo Dish Top Forged Pistons With Rings
3.642" bore, 3.910" stroke, 6.058" rod length, -4.0cc dome volume
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Block: Ford Barra 4.0L Turbo
Comp Heigh: 1.215"
Pin: .866 x 2.500"
CC's: Dish Top -4.0
Comp Ratio With 70cc Head: 9.6
Ring Set: 09533642
3D milling on piston crowns for ready to install finish
Offset pins for quiet 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 for roundwire locks included
Premium 1.0mm x 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
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