Image is a representation of this item. Actual item may vary.
Part Number:
UEM-KB126-STD

Keith Black Pistons KB126-STD Fits SBC 400 Dish 30cc Bore 4.125

Fits SB Chevy 400, Bore 4.125, Stroke 3.750, Rod Length 5.700, Dish 30cc, 2 Valve Relief, Compression Height 1.433, Set of 8 Pistons

Special Price $490.53 Regular Price $498.00
View Similar Items
⚠ 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 58cc 9.6:1, 62cc 9.3:1, 64cc 9.1:1, 76cc 8.3:1
  • Advertised piston weight 579 grams, 145 gram wrist pin
  • OE Deck Height 9.025"
  • Note: Standard bore size is 4.125
  • Note: Centered Pin
  • More Information
    CNC Part Number UEM-KB126-STD
    Price $498.00
    Manufacturer's Part Number KB126-STD
    Brands Keith Black
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.125
    Crankshaft Stroke 3.750
    Rod Length 5.700
    Piston Type Dish
    Compression Height 1.433
    Piston Material Hypereutectic
    Piston Ring Size 5/64 5/64 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
    Other Customers Also Bought
    PART #: CRW-01208 Crower 01208
    Crower 01208 Hydraulic Flat Tappet Camshaft
    $247.95
    PART #: DRP-31422 31422 Diamond Pistons SB Ford 302 351 Inline Dish 4.035 Bore
    31422 Diamond Pistons SB Ford 302 351 Inline Dish 4.035 Bore
    $1,159.60
    PART #: MOL-454-4000DC6F-OPS-6135 MOL-454-4000DC6F-OPS-6135
    Molnar Forged Crankshaft BBC 4.000 Stroke 1 PC Seal 454-4000DC6F-OPS-6135
    $1,108.00
    PART #: CP-BCR1350-020 BCR1350-020 CP Bullet 23° Heads Forged Pistons - SB Chevy 355 - 4.020
    BCR1350-020 CP Bullet 23° Heads Forged Pistons - SB Chevy 355 - 4.020
    Special Price $1,052.25 Regular Price $1,182.30
    PART #: HOL-553-129 553-129
    553-129 Holley 2-1/16" EFI Fuel Pressure Gauge
    $249.95