Icon Forged Pistons
Icon FHR GM LS 3.898 Bore 4.000 Stroke -3.2cc Flat Forged Piston Set IC9990C.STD
- PART NUMBER:
- IC9990C.STD
- MPN:
- IC9990C.STD
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Flat Top Pistons
- Bore (in.):
- 3.898
- Stroke (in.):
- 4.000
- Rod Length (in.):
- 6.125
- Compression Height (in.):
- 1.115
- Compression Ratio w/64.5cc:
- 11.2:1
- Pin Diameter (in.):
- 0.927
- Crown Volume (cc):
- -3.2
- Material:
- 4032
- Rings Included:
- No
- Ring Sizes:
- 1.5mm, 1.5mm, 3.0mm
- UEM Ring #:
- 3898CM8.STD
- Quantity:
- Sold as set of 8
Description
Icon FHR GM LS 3.898 Bore 4.000 Stroke -3.2cc Flat Forged Piston Set IC9990C.STD
Formed Head Relief pistons have valve reliefs that are formed in as the piston blank is pressed into the die. Many of the domed models are solid which allows tailoring the dome height for a specific compression ratio.
Features:
- 4032 Alloy
- 0.30" Offset wrist pins
- M42 Skirt Coating
- 15 Degree Valve Angle
- Flat Top 2V
- Round Wire Locks
- 2nd Land Accumulator Grooves
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