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Part Number:
JE-377890

JE Pistons 377890 - 4.610 Bore BBC 20 Degree Series

JE Pistons, Forged, Bore 4.610, Stroke 4.250, Rod Length 6.535, Dome 18.0cc, Set of 8, Dart 20 Degree, Brodix SR20

Special Price $1,155.59 Regular Price $1,283.99
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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.

JE Pistons BBC 20 Degree forged piston are 2618-T6 Aluminum. These BBC pistons are ready for the drag strip.
Includes:

  • Accumulator Grooves
  • Double Pin Oilers
  • .043, .043, 3.0mm ring package (not included)
  • Round Wire Locks Included
  • Wrist Pins Included
  • 3D Undercrown Milling
  • Contact Reduction Grooves
  • Ultra Groove with vertical gas ports
  • Broach Pin Oilers with accumulator groove
  • Hollow Dome FSR Forging
  • Radius Dome with fire slot for Improved Flame Travel and Combustion

Compression Ratio:

  • 95cc: 14.0:1

* Designed for Dart 20 degree Pro 1 (97cc chamber) and Brodix SR20 (95cc Chamber) heads only

 

More Information
CNC Part Number JE-377890
Price $1,283.99
Manufacturer's Part Number 377890
Brands JE
Part Types Engine Piston
Departments Parts
Vehicle Make Chevy BB
Bore Size 4.610
Crankshaft Stroke 4.250
Rod Length 6.535
Piston Type Dome
Compression Height 1.120
Piston Material 2618 Forged
Piston Ring Size .043in .043in 3.0mm
Wrist Pin Size 0.927
Custom Notices ⚠ PROP 65 WARNING
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