• Lateral gas ports. Centered pin. Fits aftermarket 64cc cylinder heads. *Fits with Brodix IIx ASCS head.
Attributes
Alloy 2618
Base Number IC640
Bore (in) 4.125
Bore (mm) 104.8
Compression Ratio 58-14.9, 64-13.6, 76-11.7
Crown (cc) -7cc
Crown Type .212" DOME
Eng. Disp Liters 6.6
Eng. Disp. In. 400
Engine Family Chevrolet SB V8 Gen I
Engine Manufacturer Chevrolet
Exhaust Valve Depth/diameter .257/1.720
GTIN 00800745244376
Hazardous Material Code N
Intake Valve Depth/diameter .320/2.200
Life Cycle Status Code Available to Order
Lock PRJ100-3
Make For Engine Family General Motors
Oe Deck Height 9.025
Oversize .020
Oversizes STD .010 .020 .025 .030 .040 .060
Pin Configuration Centered
Pin Diameter (in) .927
Pin Diameter (mm) 23.5
Pin Number .927x2.500
Pin Type Press or Floating
Ring Pack 1.5mm, 1.5mm, 3.0mm
Rod (in) 6.125
Rod (mm) 155.575
Sold as SINGLE
Stroke (in) 3.75
Stroke (mm) 95.3
Top Land .202
Year From 1970
Year Range 1970-2018
Year To 2018

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NEW! Icon Forged Pistons SIC640R.020 ICON Forged Right Single Piston - Chevy 434 Rod 6.000 .212 Dome -7cc

Product Information

Tags: Chevy Big Block Mark IV