Diamond Racing Pistons Ford 351W 4.000" Stroke Nitrous Pistons w/ High Port V.P.

Diamond Racing Pistons Ford 351W 4.000" Stroke Nitrous Pistons w/ High Port V.P.

Various Bore Sizes
1.240" (6.250" rod) or 1.290" (6.200" rod) Compression Height
3.5cc Dome
3D milling on piston crowns for ready to install finish
Dome designed to work with most TFS Highport cylinder heads
Top ring down dimension: .325"
Ratios figured for .041 head gasket @ 9.500 Deck
Premium ring package .043 x .043 x 3/16 ring package
Vertical gas ports for better ring seal
Premium H-13 .185W wrist pins included
Valve pocket depth: 0.300" intake and .250" exhaust
Will work with up to a intake valve size of 2.125" and exhaust valve size of 1.625"
Made from 2618 alloy and designed for small-medium nitrous levels (Up to 450HP)