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![Forged Piston Set [Pontiac 455]](https://www.jegs.com/images/mini_750/600/648/648-ic888.std.jpg)
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC888.STD
Forged Piston Set [Pontiac 455]
$67533
Ships on 11/03/2026
Lowest Price GuaranteePontiac 455
Forged Piston SetPontiac 455 ci V8 Bore: 4.150 in. (Standard) Flat Top w/2 Valve Reliefs -5.5 cc Rod Length: 6.630 in. Stroke: 4.210 in 2618 Alloy Set of 8
Technical Specs:
- Alloy: Premium High Ductility 2618
- Bore: 4.150 in.
- Crankshaft Stroke: 4.210 in.
- Connecting Rod Length: 6.630 in.
- Compression Height: 1.490 in.
- Pin Size: 0.981 in.
- Pin Location: Centered
- Pin Type: Press or Floating
- OE Deck Height: 10.250 in.
- Flat Top: -5.50 cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: 0.221 in. Depth / 2.310 in. Diameter
- Exhaust Valve Relief: 0.220 in. Depth / 1.960 in. Diameter
- Top Landing Height: 0.260 in.
- Ring Grooves: 1/16 in. Top; 1/16 in. Middle; 3/16 in. Bottom
- Gram Weight: 529/149
- Compression Ratio: 12.1:1 w/71 cc Heads; 10.3:1 w/87 cc Heads; 9.6:1 w/96 cc
High-Performance Forged Racing Pistons
United Engine and Machine Icon Premium Series Forged Pistons bring the same quality and performance you've come to expect for Pontiac engines. The Premium Forged Series includes all the features of the FHR series with precision CNC machined crown and valve reliefs. Built in either 2618 alloy aluminum or 4032 alloy with higher silicon for high compression and power adders.
Part TypePiston
Product LineUEM Pistons Icon Premium Forged Series Pontiac Pistons
BrandUNITED ENGINE MACHINE
Package Height7.7
Package Width11.1
Package Length21.6
Weight16.2 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC888.STD
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
