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Part Number:
UEM-KB159-040

Keith Black Pistons KB159-040 Fits SBC 377 400 Dish 12cc Bore 4.165

Fits SB Chevy, Bore 4.165, fits 377 Stroke 3.480 with Rod Length 5.700, fits 400 Stroke 3.750 with Rod Length 5.565, Dish 12cc, 2 Valve Reliefs, Compression Height 1.561, Set of 8 Pistons

Special Price $490.53 Regular Price $498.00
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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
  • 5/64 x 5/64 x 3/16 rings not included
  • Compression Ratio 377 - 58cc 10.8:1, 62cc 10.3:1, 64cc 10.1:1, 76cc 9.0:1
  • Compression Ratio 400 - 58cc 11.6:1, 62cc 11.1:1, 64cc 10.8:1, 76cc 9.6:1
  • Advertised piston weight 637 grams, 145 gram wrist pin
  • OE Deck Height 9.025"
  • Note: Standard bore size is 4.125
  • Note: 2 Symmetrical Valve Reliefs. Centered Pin 2.5" Long. Spacer Ring Included. Northstar Rod
  • More Information
    CNC Part Number UEM-KB159-040
    Price $498.00
    Manufacturer's Part Number KB159-040
    Brands Keith Black
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.165
    Crankshaft Stroke 3.480, 3.750
    Rod Length 5.565, 5.700
    Piston Type Dish
    Compression Height 1.561
    Piston Material Hypereutectic
    Piston Ring Size 5/64 5/64 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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