Icon Forged Flat Top Pistons, 455, 4.210" Str, .030-.060 Over, 4.180"-4.210" Bore
2618 Forged Aluminum
6.625" Rod Length
1/16", 1/16", 3/16" Ring Size
-5.50cc Valve Pocket
Press-fit or floating
.030 Over- 4.180" Bore- IC888-030
.040 Over- 4.190" Bore- IC888-040
.060 Over- 4.210" Bore- IC888-060
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:||0.260|
|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|
Centered pin. use OE or Edelbrock style heads. Some stock rods may need to be narrowed and balance pad removed.
- Item Requires Shipping
- 16.0 lbs.
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