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$449.99
$379.99
KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod

KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod

347 Ford Small Block V8, Flat Top w/ 2 valve reliefs Piston Style, 3.400" Stroke

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KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
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KB Ford 347 Hypereutectic Pistons, Flat Top, 5.4 Rod
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Part # 474246
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$449.99
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Details

Piston Style:
Flat Top w/ 2 valve reliefs
Piston Material:
Hypereutectic Aluminum
Piston Diameter:
Select Oversize to see
Stroke:
3.400"
Connecting Rod Length:
5.400"
Piston Weight:
429 grams
Piston Ring Style:
C
Wrist Pin Diameter:
0.9272"
Wrist Pin Weight:
107 grams
Compression 64cc =:
10.0 : 1
MFG. Part #:
Select Oversize to see
GTIN Code:
Select Oversize to see
Sold in Quantity:
Set

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.

  • 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

For Ford 347 c.i. (4.00" bore x 3.40" stroke). Use piston ring Style C (1/16", 1/16", 3/16").

Item Details

C/R 64cc: 10.0, C/R 69cc: 9.5
Bore and Stroke: 4.00" x 3.40"
Rod Length: 5.400" Ring Style: C

Specs

  • Pin Diameter:  .927"

Charts

474-246 Instructions (PDF)

Ring Style Chart (GIF)

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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