Product images and videos 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.
Engines and Components› Pistons and Piston Rings
ICON PISTONS
BBM Left Single Piston 4.375 Bore - Dished
SKU: I01U SIC837L.033
Advanced — 4+ hours
Overview
This piston is constructed from high-strength aluminum for durability and horsepower handling, with ring grooves measuring 1/16 x 1/16 x 3/16 inches and accommodating 2V valve sizes.
Show original supplier description
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
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | ICON PISTONS |
| Part Number | I01U SIC837L.033 |
Videos
ICON FORGED PISTONS, why you need them!!
Piston Coatings 101: Which is the Right One for You?
Difference Between 2618 and 4032 Forged Pistons
Cast vs. Forged Pistons: Which One is Best for Your Engine?
A Better Way to Install Rods on Pistons
Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
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.
View Full Return PolicyShipping
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.
View Full Shipping Policy