UEM Pistons

Engine Piston Kit | IC789KTD.100

Closed chamber design. Centered pin. Edelbrock and OE heads. Does not fit Mark 6 heads.

ICON Forged Piston Kit - Chevy 489 Stroker 6.385 Rod-20cc OC H-Dome 1V w/ Rings

PDF Documents

Icon2618_Ins.pdf

Installation Instruction

Specifications
Buyer's Guide

Product Specifications

Sold As	Complete Piston and Ring Kit
Engine Manufacturer	GM
Engine Family	Chevrolet BB V8 Mark IV
Year Range	-
Bore Diameter IN	4.25
Bore (in)	4.25
Bore Diameter MM	108.0
Bore (mm)	108
Eng. Disp Liters	8.0
Stroke (in)	4.25
Stroke (mm)	108.0
Eng. Disp. Liters	8
Oversized	Yes
Eng. Disp. In.	489
Compression Height IN	1.27
Oversize	.100
Oversizes	STD .030 .040 .060 .070 .100
Rod (in)	6.385
Rod (mm)	162.179

Pin Number	.990x2.750
Oe Deck Height	9.8
Compression Height IN	1.27
Pin Configuration	Centered
Compression Height MM	32.3
Crown (cc)	-20cc
Lock	PRG110-3
Compression Ratio	96.5-12.7, 115-10.6, 119-10.2
Crown Type	.210" HOLLOW DOME 1V
Pin Type	Press or Floating
Pin Diameter (in)	.990
Intake Valve Depth/diameter	.285/2.300
Alloy	2618
Pin Diameter (mm)	25.1
Alloy	Forged 2618 Alloy
Ring Pack	1/16, 1/16, 3/16
Piston Material	Forged 2618 Alloy
Top Land	.336

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