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

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#474151

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

Oversize:

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$446.99

/set

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Product Summary

Flat Top w/ 2 valve reliefs Piston Style, 3.500" Stroke

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    Key Specs

    MFG. Part #Select Oversize
    Piston StyleFlat Top w/ 2 valve reliefs
    Piston MaterialHypereutectic Aluminum
    Wrist Pin IncludedYes
    Wrist Pin StylePress-Fit or Floating
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    Need To Know

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    855.313.9176
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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: 9.7
    Bore and Stroke: 4.00" x 3.50"
    Rod Length: 5.956" Ring Style: A

    Charts

    Specs

    • Pin Diameter:  .912"

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CA Prop 65
    CARB warning

    Specifications

    KEY SPECS
    MFG. Part #Select Oversize to see
    BrandKeith Black
    Garage Sale TypeSelect Oversize to see
    Piston StyleFlat Top w/ 2 valve reliefs
    Piston MaterialHypereutectic Aluminum
    Wrist Pin IncludedYes
    Wrist Pin StylePress-Fit or Floating
    GENERAL
    Piston DiameterSelect Oversize to see
    Stroke3.500"
    Connecting Rod Length5.956"
    Piston Weight420 grams
    Piston Ring StyleA
    Wrist Pin Diameter0.9120"
    Wrist Pin Weight145 grams
    Top Ring Thickness5/64"
    Second Ring Thickness5/64"
    Oil Ring Thickness3/16"
    Compression 64cc =10.3 : 1
    GTIN CodeSelect Oversize to see
    Sold in QuantitySet

    Ratings & Reviews

    5

    3 Reviews

    Overall Assessment

    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.

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    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

    Questions & Answers

    6 Questions • 7 Answers

    What type of heads recommend for these pistons

    by Bonic

    • 2 months ago

    2 answers

    View Answers

    Will these work with 2.02" intake valves?

    by LG Brandon

    • 9 months ago

    1 answer

    View Answer

    Is the compression ratio on these figured based of the 9.480 deck height ?

    by Justsomeguy

    • 3 years ago

    1 answer

    View Answer

    what deck height are these pistons for

    by dave

    • 10 years ago

    1 answer

    View Answer

    what would the compression ratio be with 58cc heads

    by david

    • 10 years ago

    1 answer

    View Answer

    I have a STOCK 1971 351w and am wanting to know if this will work without any other modifications

    by Zach

    • 10 years ago

    1 answer

    View Answer

    6 of 6 questions shown

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