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Engines and Components› Pistons and Piston Rings
ICON PISTONS
LS 5.3L FT Forged Piston Set 3.800 Bore
SKU: I01U IC546C.020
Advanced — 4+ hours
Overview
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Part #: IC546C.020
Piston - Premium Forged - Forged - 3.800 in Bore - 1.5 x 1.5 x 3.0 mm Ring Groove - Minus 3.00 cc - GM LS-Series - Set of 8
Vehicle Symptoms
- Engine knocking or pinging under load
- Excessive oil consumption (blue smoke from exhaust)
- Loss of power and compression in one or more cylinders
- Rough idle and persistent misfire
- Oil in spark plug wells or blow-by from crankcase
Diagnostic Codes
- P0300 – Random misfire
- P0301 – Cylinder 1 misfire
- P0302 – Cylinder 2 misfire
- P0303 – Cylinder 3 misfire
- P0304 – Cylinder 4 misfire
- P0305 – Cylinder 5 misfire
- P0306 – Cylinder 6 misfire
- P0307 – Cylinder 7 misfire
- P0308 – Cylinder 8 misfire
Relevant Conversations
- LS engine knocking noise at idle and under acceleration
- P0300 random misfire after LS rebuild
- ICON pistons vs Wiseco for LS 5.3 reliability
- How to install forged pistons on GM LS
- Best forged piston set for LS turbo build
- LS piston ring gap specs for street/strip
- Oil consumption after piston replacement LS
- Flat top pistons 3.800 bore LS performance
- IC546C.020 review forum LS1Tech
- LS engine rebuild piston choice 4.8L
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | ICON PISTONS |
| Part Number | I01U IC546C.020 |
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