Garage Sale - KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
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Keith Black Hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability over stock replacement pistons. They also allow you to run tighter clearances because of reduced thermal expansion, which means more race winning power.
- 390 Hypereutectic alloy
- Fully machined crowns and valve reliefs
- Drilled oil drain backs
- Full floating wrist pins
- Reflective alloy allows 2% power increase
- Quench dome technology minimizes deterioration
- Zero deck quench designs
For Ford 347 c.i. (4.00" bore x 3.40" stroke). Use piston ring Style C(1/16", 1/16", 3/16").
Ring Style Chart (GIF)
474-246 Instructions (PDF)
These pistons are garage sale priced because they have been balanced to a rotating assembly and returned.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
- Pin Diameter: .927"
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Q & A
Tim shows off our aluminum cylinder heads for 348-409 Chevys.