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Keith Black KB375-STD Hypereutectic Dome Pistons 4.125 Bore

SKU: KB375-STD

SB Chevy 400, Bore 4.125, Stroke 3.750, Rod Length 6.000, Dome +11cc, Set of 8

Availability: In stock

$395.95
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Keith Black pistons are great choice for moderate performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance. Keith Black pistons feature, fully machined head and valve reliefs, accumulator groove aids with compression ring seal, machined in oil returns, diamond finished skirts, mini grooves to reduce scuffing if overheated, cnc machined pin bores for straight and accurately sized pin bores.

Compression Ratio with 62cc Heads 14.9:1
Compression Ratio with 64cc Heads 14.5:1
Advertised piston weight 484 grams, 145 gram wrist pin.

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  • Order Line
    800-341-1528

  • We Ship
    Worldwide

  • visa, discover, mastercard &
    paypal accepted

  • Manufacturer
    Keith Black
  • Vehicle Make
    Chevy SB
  • Bore Size
    4.125
  • Crankshaft Stroke
    3.750
  • Rod Length
    6.000
  • Piston Type
    Dome
  • Compression Height
    1.130
  • Piston Material
    Hypereutectic
  • Piston Ring Size
    1/16 1/16 3/16
  • Wrist Pin Size
    0.927

Details

Keith Black pistons are great choice for moderate performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance. Keith Black pistons feature, fully machined head and valve reliefs, accumulator groove aids with compression ring seal, machined in oil returns, diamond finished skirts, mini grooves to reduce scuffing if overheated, cnc machined pin bores for straight and accurately sized pin bores.

Compression Ratio with 62cc Heads 14.9:1
Compression Ratio with 64cc Heads 14.5:1
Advertised piston weight 484 grams, 145 gram wrist pin.

Additional Information

Manufacturer Keith Black
Vehicle Make Chevy SB
Bore Size 4.125
Crankshaft Stroke 3.750
Rod Length 6.000
Piston Type Dome
Compression Height 1.130
Piston Material Hypereutectic
Piston Ring Size 1/16 1/16 3/16
Wrist Pin Size 0.927
List price N/A