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Part Number:
UEM-KB111-040

Keith Black Piston KB111-040 Fits SBC 383 Dome .5cc Bore 4.040

Fits SB Chevy 383, Bore 4.040, Stroke 3.750, Rod Length 5.700, Dome .5cc, 2 Valve Relief, Compression Height 1.433, Set of 8 Pistons

$491.78
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⚠ 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
  • 1/16 x 1/16 x 3/16 rings not included
  • Compression Ratio 58cc 12.9:1, 62cc 12.2:1, 64cc 11.9:1, 76cc 10.3:1
  • Advertised piston weight 563 grams, 145 gram wrist pin
  • OE Deck Height 9.025"
  • Note: Standard bore size is 4.000
  • Note: Centered Pin. Made with SB Chevy 350
  • More Information
    CNC Part Number UEM-KB111-040
    Price $491.78
    Manufacturer's Part Number KB111-040
    Brands Keith Black
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.040
    Crankshaft Stroke 3.750
    Rod Length 5.700
    Piston Type Dome
    Compression Height 1.433
    Piston Material Hypereutectic
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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