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Part Number:
UEM-KB379-030

Keith Black Pistons KB379-030 Fits SBF 351W Dish 15cc Bore 4.030

Fits SB Ford 351W, Bore 4.030 Stroke 3.500, Rod Length 5.956, Dish 15cc, Compression Height 1.774, Set of 8 Pistons

Special Price $484.74 Regular Price $492.12
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SPECIAL ORDER
This product is only available as a special order and is non-returnable.
DROP SHIP
This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Keith Black Hypereutectic pistons are a great choice for high 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.
  • Fully machined head and valve reliefs
  • Triple Spiral Lock Rings
  • CNC machined pin bores produce straight and accurately sized bores
  • Accumulator Groove aids with compression ring seal
  • Machined in Oil Returns
  • Diamond Finished Skirts
  • Mini Grooves to reduce scuffing and overheating
  • Wrist pins and spiral lock included
  • 5/64 x 5/64 x 3/16 rings not included
  • Compression Ratio 55cc 10.3:1, 60cc 9.8:1, 64cc 9.4:1, 69cc 8.9:1
  • Advertised piston weight 557 grams, 143 gram wrist pin
  • OE Deck Height 9.500"
  • Note: Standard bore size is 4.000
  • Note: Centered Pin. Pre-71 blocks .020 shorter, not enough stock to clean up. Designed for For Sportsman "N" Head
  • More Information
    CNC Part Number UEM-KB379-030
    Price $492.12
    Manufacturer's Part Number KB379-030
    Brands Keith Black
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.030
    Crankshaft Stroke 3.500
    Rod Length 5.956
    Piston Type Dish
    Compression Height 1.774
    Piston Material Hypereutectic
    Piston Ring Size 5/64 5/64 3/16
    Wrist Pin Size 0.912
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