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Icon Forged -15cc Dish Pistons, 455, 4.210" Str

-15cc Dish Pistons
D-Shaped Dish
2618 Forged Aluminum
6.625" Rod Length
1/16", 1/16", 3/16" Ring Size
Press-fit or floating
.980 Pin
.030 Over- 4.180" Bore- IC889-030
.040 Over- 4.190" Bore- IC889-040
.060 Over- 4.210" Bore- IC889-060
Pricing: $599.95

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These Icon pistons feature a diamond-machined skirt, head, mini-grooves, pin bore, gas accumulator, ring grooves, and pressure-drilled pin hole oiling. They have a V-rib design for light weight, strength, and maximum piston cooling.

Icon Line of Forged Pontiac Pistons by Keith Black use a high quality forging that results in a much lighter piston than the Federal Mogul/TRW. The pin is also quite a bit lighter than the TRW. These pistons come with pin locks so they can be used with BUSHED or PRESS-FIT rods.

Image may not represent actual product.


Stock Bore: 4.150 Rod Length: 6.630 Pin Diameter: 0.9805
Stroke: 4.210 Comp. Ht: 1.490 Top Land: 0.307
Minimum Clearance   OE Deck Height: 10.250 Weight Piston/Pin: 540/149
Head Type D-cup Effective Head Volume 15cc
Ext. Valve Depth 0.220 Ext. Valve Dia. 1.960
Int. Relief Depth 0.221 Int. Relief Dia. 2.310

Compression Ratios




Pin Number


Lock Ring



Centered pin.  UseOE or Edelbrock style heads.  Some stock rods may need to be narrowed and balance pad removed.


  • UEM-IC-889
  • UEM-IC-889
  • Icon
  • New

Shipping Information

  • Item Requires Shipping
  • 16.0 lbs.

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