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Icon Forged Flat Top Pistons, 455, 4.210" Str, .030-.060 Over, 4.180"-4.210" Bore

UEM-IC-888
Flat Top
2618 Forged Aluminum
6.625" Rod Length
1/16", 1/16", 3/16" Ring Size
-5.50cc Valve Pocket
Press-fit or floating
.980 Pin
.030 Over- 4.180" Bore- IC888-030
.040 Over- 4.190" Bore- IC888-040
.060 Over- 4.210" Bore- IC888-060
Set/8
Pricing: $599.95

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Description

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.

Specifications/Information

Specifications
Stock Bore: 4.150 Rod Length: 6.630 Pin Diameter: 0.9805
Stroke: 4.210 Comp. Ht: 1.490 Top Land: 0.260
Minimum Clearance   OE Deck Height: 10.250 Weight Piston/Pin: 529/149
Head Type Flat Top Effective Head Volume 5.5cc
Ext. Valve Depth 0.220 Ext. Valve Dia. 1.960
Int. Relief Depth 0.221 Int. Relief Dia. 2.310

Compression Ratios

71-12.1

87-10.3

96-9.6

Pin Number

.980x3.000

Lock Ring

PRH107-3

Notes

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

Details

  • UEM-IC-888
  • UEM-IC-888
  • Icon
  • New

Shipping Information

  • Item Requires Shipping
  • 16.0 lbs.

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