#474151
KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod
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Keith Black1 Review
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Product Summary
351W, Flat Top w/ 2 valve reliefs Piston Style
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Key Specs
MFG. Part # | Select Oversize |
Piston Style | Flat Top w/ 2 valve reliefs |
Piston Material | Hypereutectic Aluminum |
Wrist Pin Included | Yes |
Wrist Pin Style | Press-Fit or Floating |
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Details
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
Item Details
C/R 64cc: 10.3, C/R 69cc: 9.7Bore and Stroke: 4.00" x 3.50"
Rod Length: 5.956" Ring Style: A
Charts
474-151 Instructions (PDF)
Ring Style Chart (GIF)
Specs
- Pin Diameter: .912"
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Specifications
Specifications
KEY SPECS | |
---|---|
MFG. Part # | Select Oversize to see |
Brand | Keith Black |
Piston Style | Flat Top w/ 2 valve reliefs |
Piston Material | Hypereutectic Aluminum |
Wrist Pin Included | Yes |
Wrist Pin Style | Press-Fit or Floating |
GENERAL | |
Piston Diameter | Select Oversize to see |
Stroke | 3.500" |
Connecting Rod Length | 5.956" |
Piston Weight | 420 grams |
Piston Ring Style | A |
Wrist Pin Diameter | 0.9120" |
Wrist Pin Weight | 145 grams |
Compression 64cc = | 10.3 : 1 |
GTIN Code | Select Oversize to see |
Sold in Quantity | Set |