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Icon Forged -15cc Dish Pistons, Aftermarket Block, 4.250" Str

UEM-IC-631
-15cc Dish Pistons
2618 Forged Aluminum
6.800" Rod Length
1/16", 1/16", 3/16" Ring Size
.990 x 2.750" Pins Included
4.250", 4.255", 4.260" Bore
Set/8
Pricing: $652.95

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Description

Compression Ratio
65cc-12.2
72cc-11.5
87cc-10.1

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.

Image may not represent actual product.

Specifications/Information

Specifications
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

71-11.0

87-9.5

96-8.9

Pin Number

.980x3.000

Lock Ring

PRH107-3

Notes

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

Details

  • UEM-IC-631
  • UEM-IC-631
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Shipping Information

  • Item Requires Shipping
  • 16.0 lbs.

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