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![Piston Set for GM Gen III/IV LS 4.8L/5.3L Engines [3.780 in. Bore]](https://www.jegs.com/images/mini_750/600/648/648-ic547c.std.jpg)
Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC547C.STD
Piston Set for GM Gen III/IV LS 4.8L/5.3L Engines [3.780 in. Bore]
$65969
Ships on Nov 02, 2026
Lowest Price GuaranteePiston SetGM Gen III/IV LS 4.8L/5.3L Engines Forged 4032 Aluminum 3.780 in. Bore 3.622 in. Stroke 1.331 in. Compression Height Dome Set of 8
ICON Premium forged pistons are engineered for performance builds using GM Gen III/IV LS 4.8L/5.3L Engines. This set uses forged 4032 aluminum construction with application-specific crown and pin geometry.
ICON IC547C.STD Features:
- 3.780 in. bore
- 3.622 in. stroke
- 6.098 in. rod length
- 1.331 in. compression height
- 0.945 in. wrist pin diameter
- Dome
- 5.0 cc dome
- 1.5 mm x 1.5 mm x 3.0 mm ring pack
- Forged 4032 Aluminum
- Set of 8
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height7.0
Package Width10.4
Package Length18.5
Weight10.23 PG
Part CategoryPerformance Parts
Rings IncludedNo
Compression Height1.331 in.
Stroke3.622 in.
Crown Volume5.0 cc
Wrist Pin Diameter0.945 in.
Ring Pack1.5 mm x 1.5 mm x 3.0 mm
QuantitySet of 8
Piston MaterialForged 4032 Aluminum
Part FitmentDirect Fit
Bore Diameter3.780 in.
Rod Length6.098 in.
Piston StyleDome
Vendor Part NumberIC547C.STD
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
