• Dome head .095" high with 1 valve relief. Propane engine and 1985-90 gas truck engine. Except H5D.
Attributes
Alloy 332
Base Number 1490D
Bore (in) 3.9375
Bore (mm) 100.0
Compression Ratio 8.0, sm. chmbr. 9.0
Crown Type DOME
Eng. Disp Liters 6.0
Eng. Disp. In. 366
Engine Family Chevy Big Block Mark IV
Engine Manufacturer Chevrolet
GTIN 00800745014436
Hazardous Material Code N
Life Cycle Status Code Available to Order
Oe Assembly 10106480, 10046482, 10108926
Oversize .040
Oversizes STD .020 .030 .040 .060
Pin Configuration Centered
Pin Diameter (in) .990
Pin Diameter (mm) 25.1
Pin Number 0990x230A
Pin Type Press
Ring Pack 3/32, 5/64, 5/64, 3/16 Iron Top Groove
Sold as SINGLE
Top Land .420
Year From 1985
Year Range 1985-1990
Year To 1990

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Dualoy Disel Pistons S1490D.040 Single Dualoy Piston - 6.0L GM (V8) 1985-90

Product Information

Tags: Chevy Big Block Mark IV