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KB Pistons Products

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Keith Black Hypereutectic Pistons set the benchmark in performance cast alloy piston technology. KB Pistons carry a vast assortment of compression ratios available in dish, flat top and dome styles for most Chevy or Ford V8s. For Claimer racers who are on a budget, KB Claimer Series pistons will meet the tough requirements that this racing class places on the piston.

KB Pistons

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    $299.99 $219.99
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    These Keith Black economy (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (lockrings included).

    set of 8 for Chevy 350 c.i. (4.000" bore x 3.48" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

    • Comp Height 5.7" Rod -  1.565
    • Comp Height 6.0" Rod -  1.265
    • Pin Diameter -  0.9272

    KB Claimer Piston Chart (GIF)

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    Product Rating: 4.00 Stars
    $279.99 $199.99
    Quick View Details
    x
                

    These Keith Black economy (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (lockrings included).

    Set of 8 for Chevy 350 c.i. (4.000" bore x 3.48" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

    KB Claimer Piston Chart (GIF)

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    Product Rating: 4.00 Stars
    $224.99 $199.99
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    Keith Black hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability. They also allow you to run tighter clearances which makes more power. 

    Available in .030" and .040" oversizes (stock 3.78" bore x 3.126" stroke). Use ring Style C. Pins included.

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
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    $199.99 $178.99
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    Keith Black hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability. They also allow you to run tighter clearances which makes more power. 

    Available in .030" and .040" oversizes (stock 3.78" bore x 3.126" stroke). Use ring Style C. Pins included.

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    Product Rating: 5.00 Stars
    $264.99 $189.99
    Quick View Details
    x
                

    These Keith Black economy (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (lockrings included).

    Set of 8 for Chevy 350 c.i. (4.000" bore x 3.48" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

    KB Claimer Piston Chart (GIF)

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    No Reviews
    $299.99 $219.99
    Quick View Details
    x
                

    These Keith Black Claimer Pistons (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (lockrings included).

    Set of 8 for Chevy 383 c.i. (4.000" bore x 3.75" stroke). Does not include piston ring set. Use Ring Style C.

    KB Claimer Piston Chart (GIF)

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    No Reviews
    $249.99 $179.99
    Quick View Details
    x
                

    These Keith Black economy (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (lockrings included).

    Set of 8 for Chevy 350 c.i. (4.000" bore x 3.48" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

    KB Claimer Piston Chart (GIF)

    Ring Style Chart (GIF)

    Go to Product Page
  • On Sale
    Product Rating: 4.00 Stars
    $299.99 $258.99
    Quick View Details
    x
                

    Keith Black Hyperutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.

    For S/B Chevy 350 c.i. (4.000" bore x 3.48" stroke).

    • 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
    • Lightweight wrist pins

    Ring Style Chart (GIF)

    474-120 Instructions (PDF)

    Go to Product Page
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$264.99 $189.99
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$359.99 $304.99
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$379.99
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$264.99 $199.99
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$377.99 $339.99
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$279.99 $199.99
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$359.99
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$329.99
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$399.99 $345.99
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$319.99
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$409.99 $348.99
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