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Instruction Sheets for Part Number UEM-IC9958KTM030
ICON FHR Series Piston and Ring Kits IC9958KTM.030
Part Number: UEM-IC9958KTM030
ICON FHR Series Piston and Ring Kits
Pistons, ICON FHR, Forged Aluminum, 4.280 in. Bore, Dome with Relief Valve, Centered Pin, Piston Rings, Chevrolet, Mark IV Big Block, Set of 8
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Estimated Ship Date: Oct 28, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
IC9958KTM.030
Part Type:
Product Line:
Summit Racing Part Number:
UEM-IC9958KTM030
UPC:
800745246028
Piston Rings Included:
Yes
Bore (in.):
4.280 in.
Bore (mm):
108.712mm
Stroke:
3.760 in.
Engine Stroke Type:
Stock
Rod Length:
6.135 in.
Piston Style:
Dome, with single valve relief
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:
No
Wrist Pin Included:
No
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
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Piston kit for use on Chevrolet Mark IV big block with Edelbrock 110cc heads. Closed chamber design.
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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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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