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Engines and Components› Pistons and Piston Rings
ICON PISTONS
Pontiac 400 Forged F/T Piston Set 4.150 -4.5cc
SKU: I01U IC890.030
Advanced — 4+ hours
Overview
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Vehicle Symptoms
- Engine knocking under heavy load
- Loss of compression in one or more cylinders
- Excessive oil consumption or blue exhaust smoke
- Misfire under acceleration or at high RPM
- Poor engine performance after nitrous or boost use
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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 IC890.030 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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