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Instruction Sheets for Part Number UEM-IC9958KTM100
ICON FHR Series Piston and Ring Kits
Piston and Ring Kits, FHR, Forged 4032 Aluminum, 4.350 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
IC9958KTM.100
Part Type:
Product Line:
Summit Racing Part Number:
UEM-IC9958KTM100
UPC:
00800745245489
Piston Rings Included:
Yes
Bore (in.):
4.350 in.
Bore (mm):
110.490mm
Stroke:
3.760 in.
Engine Stroke Type:
Stock
Actual Engine Displacement:
7.3L/447
Rod Length:
6.135 in.
Piston Style:
Dome, with no valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.765 in.
Dome Height (in.):
0.450 in.
Piston Head Volume (cc):
-28.20cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.990 in.
Piston Ring Thickness:
5/64 in. x 5/64 in. x 3/16 in.
File Fit:
No
Gapless:
No
Top Ring Thickness:
5/64 in.
Second Ring Thickness:
5/64 in.
Oil Ring Thickness:
3/16 in.
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Pistons are made of forged 4032 alloy aluminum.
ICON FHR Series Piston and Ring Kits
ICON pistons have introduced a new forging line: the FHR (Forged Head Relief) Series. This new line features VMS 75 alloy, true arc-style lock rings, broached pinholes, breakthrough oil returns, and 5/64 in. ring packs—all designed to be easy on your wallet! In addition, most flat-top and dish applications are available in an offset pin design, which will help to quiet those street motors. The included piston rings will seal mild to high-compression engines, help to protect against oil blowby, and feature standard ring end gap for an easy installation.
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Some parts are not legal for use in California or other states with similar laws / regulations
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