Ford Ecoboost V6 3.5L FSR Series Forged Pistons
The new Ford Ecoboost 3.5L V6 pistons utilize a dedicated Forged Side Relief, (FSR), forging that was specifically designed for high horsepower forced induction engines. These pistons feature a direct injection dish designed for optimal flame travel. Applications include 9:1 & 10:1 CR with STD, +.25mm, and +.50mm bore sizes.
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