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#474151
KB Ford 351W Hypereutectic Pistons, Flat Top, 5.956 Rod
$464.49
/set
In Stock
$573.44
Save $108.95
Quantity
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Select Vehicle
$109 Off
$109 Off
|
#474151
$464.49
/set
In Stock
$573.44
Save $108.95
Quantity
Need Help? Call to Order
Add to a list
Select a vehicle to verify Fitment
Select Vehicle
| 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 |
Need help?
855.313.9176Quick and Easy Returns
Return PolicyKeith 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
Charts
474-151 Instructions (PDF)
Ring Style Chart (GIF)
Specs
Guides & Documents
For race/ off road use only
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Oversize to see |
| Brand | Keith Black |
| Garage Sale Type | Select Oversize to see |
| 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 |
| Top Ring Thickness | 5/64" |
| Second Ring Thickness | 5/64" |
| Oil Ring Thickness | 3/16" |
| Compression 64cc = | 10.3 : 1 |
| GTIN Code | Select Oversize to see |
| Sold in Quantity | Set |
5
3 Reviews
Customers have highly praised the product for its exceptional quality and exceeding their performance expectations, particularly in N/A 358w builds. They commend the product's adherence to the advertised specs and the resultant high-quality output. Its performance, specifically in terms of power generation, garners recommendations for its cost-effective price point, setting it apart as a superior choice compared to competitors. The durability of the pistons adds to its practicality, making this product a trusted part of their builds.
5
3 reviews
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I would be using this site a lot often
5.0
a year ago
Lique
Pontiac mi
Verified
N/a
Would Recommend
Id buy this product again without a doubt
5.0
3 years ago
Ponyboywils
Alloway New Jersey
Verified
Used in a N/A 358w build forged I-beam rods Anderson n-41 cam gt40 heads with 650 carb great pistons holding up really well came in over my rear wheel HP goal also
Would Recommend
Great price point for a good quality set of piston.
5.0
5 years ago
MVW
WV
Verified
Great looking product and within the specs advertised. Look forward to using them in our build.
Would Recommend
Showing 3 of 3 reviews
6 Questions • 7 Answers
What type of heads recommend for these pistons
by Bonic
• 5 months ago
2 answers
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Will these work with 2.02" intake valves?
by LG Brandon
• a year ago
1 answer
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Is the compression ratio on these figured based of the 9.480 deck height ?
by Justsomeguy
• 3 years ago
1 answer
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what deck height are these pistons for
by dave
• 11 years ago
1 answer
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what would the compression ratio be with 58cc heads
by david
• 11 years ago
1 answer
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I have a STOCK 1971 351w and am wanting to know if this will work without any other modifications
by Zach
• 11 years ago
1 answer
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6 of 6 questions shown