Ford Modular 3 valve dish top

Application: 

Recommended for nitrous & boosted applications (pin upgrade recommended when running over 250HP nitrous or 10LBS. boost)

Includes:

Complete set of pistons, rings, locks & pins.

Specifications:

Piston top type: dish top.
Bore: 3.552" & 3.572".
Stroke: 3.542".
Rod length: 5.933".
Compression height: 1.220".
Compression ratio (51): 8.90 & 9.80.
Dome volume: -6.00cc to -14.25cc.
Gram weight: 348 to 363.
Rings: 1.5mm, 1.5mm, 3.0mm.
Ring set: R3555 & R5163.
Rings included: yes.
Pin type: 5115 straight wall.
Pin diameter: .866
Pin Length: 2.500".
Pin wall: .115".
Pin weight: 90 grams. 
Block height: 8.937".
Optional upgrade: heavy duty 52100 series pins.