DIAMOND DOHC 4V Competition SeriesPiston
DISH -7.5CC Fits 4V SOHC 4.6 and 5.4 Engines
Features:
Designed to be used with DOHC cylinder heads
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
Top ring down dimension: .280"
Ratios figured for .036 head gasket @ 8.937 Deck
Premium ring package 1.2mm x 1.5mm x 3.0mm ring package included
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Over-sized valve pockets - for larger than stock valve sizes
Valve pocket depth: 0.151" intake and 0.050" exhaust
Made from 2618 alloy
Available in Standard, .010", and .020" over bore sizes
COMPRESSION RATIOS:
4.6 52cc heads = 9.6:1
5.4 52cc heads = 9.0:1
