![Forged Piston Set [Pontiac 455]](https://www.jegs.com/images/mini_750/600/648/648-ic888.040.jpg)
Forged Piston Set [Pontiac 455]
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Technical Specs:
- Alloy: Premium High Ductility 2618
- Bore: 4.190 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.