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$297.99

KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod

351W Ford Small Block V8, Hypereutectic Aluminum Piston Material, 5.956" Connecting Rod Length

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Part # 474151

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030 040 060

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Details

Piston Material:

Hypereutectic Aluminum

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Diameter:

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Connecting Rod Length:

5.956"

Piston Ring Style:

Stroke:

3.50"

Wrist Pin Diameter:

.912"

Piston Weight:

420 grams

Wrist Pin Weight:

145 grams

Compression 64cc =:

10.3 : 1

Sold in Quantity:

Set

MFG. Part #:

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GTIN Code:

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Info

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.

For Ford 3351W c.i. (4.00" bore x 3.50" stroke). Use piston ring Style A (5/64", 5/64", 3/16").

390 Hypereutectic alloy
Fully machined crowns and valve reliefs
Drilled oil drain backs
Full floating wrist pins
Triple wound spiral locks
Reflective alloy allows 2% power increase
Quench dome technology minimizes deterioration
Zero deck quench designs

Ring Style Chart (GIF)

474-151 Instructions (PDF)

Item Details

C/R 64cc: 10.3, C/R 69cc: 9.7
Bore and Stroke: 4.00" x 3.50"
Rod Length: 5.956" Ring Style: A